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Temnospondyli

Index Temnospondyli

Temnospondyli (from Greek τέμνειν (temnein, "to cut") and σπόνδυλος (spondylos, "vertebra")) is a diverse subclass of extinct small to giant tetrapods—often considered primitive amphibians—that flourished worldwide during the Carboniferous, Permian, and Triassic periods. [1]

272 relations: Acanthostega, Adelospondyli, Aistopoda, Alfred Romer, Allometry, Amniote, Amphibamidae, Amphibamus, Amphibian, Antarctica, Apateon, Aquatic feeding mechanisms, Archegosauridae, Archegosauroidea, Archegosaurus, Articular processes, Atlas (anatomy), Australerpeton, Australia, Axolotl, Balanerpeton, Baphetes, Baphetidae, Basal (phylogenetics), Batrachia, Batrachosaurus, Batrachosuchus, Benthosuchus, Brachyopidae, Brachyopoidea, Brachystelechidae, Branchial arch, Branchiosauridae, Branchiosaurus, Caecilian, Caerorhachis, Capetus Silvius, Capitosauria, Capitosaurus, Carbon dioxide, Carboniferous, Carnian, Cartilage, Cheliderpeton, Chigutisauridae, China, Clade, Cladistics, Cladogram, Class (biology), ..., Cleithrum, Cochleosauridae, Cochleosaurus, Colosteidae, Crab-eating frog, Crassigyrinus, Cretaceous, Crocodile, Crown group, Cryobatrachus, Cutaneous respiration, D. M. S. Watson, Darwin's frog, Dasyceps, Dendrerpeton, Dendrerpetontidae, Dentin, Dermal bone, Diadectomorpha, Dissorophidae, Dissorophinae, Dissorophoidea, Doleserpeton, Dutuitosaurus, Dvinosauria, Dvinosaurus, Eardrum, Early Cretaceous, Early Triassic, Ecolsonia, Edingerella, Edopoidea, Edops, Edward Drinker Cope, Embolomeri, England, Eobrachyopidae, Eoherpeton, Eoscopus, Ermine Cowles Case, Eryopidae, Eryopiformes, Eryopoidea, Eryops, Eucritta, Euskelia, Eutemnospondyli, External fertilization, Fayella, Frog, Frontal bone, Georgenthalia, Gephyrostegidae, Gerobatrachus, Gerrothorax, Ghost lineage, Gill, Glanochthon, Gondwana, Greek language, Gunnar Säve-Söderbergh, Guy's Cliffe, Heylerosauridae, Homology (biology), Hyomandibula, Iberospondylus, Ichthyostega, Ilium (bone), Impedance matching, Indobrachyops, Inner ear, Intasuchus, Internal fertilization, Ischium, Isodectes, Karl Alfred Ritter von Zittel, Keuper, Koolasuchus, Kryostega, Labyrinthodontia, Laidleria, Lapillopsidae, Larva, Late Triassic, Lateral line, Latiscopidae, Leopold Fitzinger, Lepospondyli, Limnarchia, Lissamphibia, List of semiaquatic tetrapods, Lungfish, Lydekkerina, Lydekkerinidae, Lyrocephaliscus, Lysorophia, Magnesian Limestone, Mastodonsauridae, Mastodonsauroidea, Mastodonsaurus, Mauch Chunk Formation, Melosaurus, Metamorphosis, Metoposauridae, Metoposauroidea, Metoposaurus, Microhylidae, Micromelerpeton, Micromelerpetontidae, Micropholis (amphibian), Microsauria, Mississippian (geology), Molecular clock, Mouthbrooder, Mucous gland, Nasal bone, National Museum of Natural History, Nectridea, Neldasaurus, Neoteny, Niger, Nigerpeton, Notochord, Occipital bone, Occipital condyles, Ontogeny, Ossification, Palaeos, Palate, Palatinerpeton, Parasphenoid, Parietal bone, Parietal foramen, Parioxys, Pasawioops, Pedicellate teeth, Peltobatrachus, Peltostega, Pelvis, Pennsylvania, Pennsylvanian (geology), Perilymphatic duct, Permian, Pharyngeal pouch (embryology), Philosophical Transactions of the Royal Society B, Phonerpeton, Phylogenetics, Phytosaurus, Plagiosauridae, Plagiosauroidea, Platyrhinops, Plemmyradytes, Posterior nasal apertures, Prionosuchus, Protorosauria, Pseudosuchia, Pterygoid bone, Reptile, Reptiliomorpha, Rhachitomi, Rhinesuchidae, Rhombopholis, Rhytidostea, Rhytidosteidae, Rhytidosteoidea, Rib, Richard Owen, Rift valley, Rileymillerus, Saharastega, Salamander, Sauria, Sclerocephalus, Sclerothorax, Scute, Sensu, Seymouriamorpha, Shoulder girdle, Sister group, Solenodonsaurus, South American lungfish, Stapes, Stegocephalia, Stegops, Stenotosauridae, Stereospondyli, Stereospondylomorpha, Sulcus (morphology), Synapomorphy and apomorphy, Synonym (taxonomy), Taxon, Tersomius, Tetrapod, Texas, Tooth enamel, Trace fossil, Trematopidae, Trematosauria, Trematosauridae, Trematosauroidea, Trematosaurus, Triassic, Triassic–Jurassic extinction event, Trimerorhachis, Tuditanomorpha, Tulerpeton, Tupilakosauridae, Tympanum (anatomy), Uncinate processes of ribs, Vertebra, Viséan, Vitelline membrane, Warwickshire, Watsonisuchus, Westlothiana, Wetlugasaurus, Whatcheeriidae, William Buckland, Zatrachydidae, Zatrachys, Zechstein, Zygosaurus. Expand index (222 more) »

Acanthostega

Acanthostega (meaning "spiny roof") is an extinct genus of stem-tetrapod, among the first vertebrate animals to have recognizable limbs.

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Adelospondyli

Adelospondyli is an order of elongate, presumably aquatic, Carboniferous amphibians.

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Aistopoda

Aïstopoda (Greek for " not-visible feet") is an order of highly specialised snake-like amphibians known from the Carboniferous and Early Permian of Europe and North America, ranging from tiny forms only, to nearly in length.

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Alfred Romer

Alfred Sherwood Romer (December 28, 1894 – November 5, 1973) was an American paleontologist and biologist and a specialist in vertebrate evolution.

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Allometry

Allometry is the study of the relationship of body size to shape, anatomy, physiology and finally behaviour, first outlined by Otto Snell in 1892, by D'Arcy Thompson in 1917 in On Growth and Form and by Julian Huxley in 1932.

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Amniote

Amniotes (from Greek ἀμνίον amnion, "membrane surrounding the fetus", earlier "bowl in which the blood of sacrificed animals was caught", from ἀμνός amnos, "lamb") are a clade of tetrapod vertebrates comprising the reptiles, birds, and mammals.

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Amphibamidae

The Amphibamidae are an extinct family of dissorophoid euskelian temnospondyls.

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Amphibamus

Amphibamus is a genus of amphibamid temnospondyl amphibians from the Carboniferous (middle Pennsylvanian) of Europe and North America.

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Amphibian

Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.

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Antarctica

Antarctica is Earth's southernmost continent.

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Apateon

Apateon is an extinct genus of temnospondyl amphibian within the family Branchiosauridae.

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Aquatic feeding mechanisms

Aquatic feeding mechanisms face a special difficulty as compared to feeding on land, because the density of water is about the same as that of the prey, so the prey tends to be pushed away when the mouth is closed.

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Archegosauridae

Archegosauridae is a family of relatively large and long snouted temnospondyls that lived in the Permian period.

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Archegosauroidea

Archegosauroidea is an extinct superfamily of Permian temnospondyls.

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Archegosaurus

Archegosaurus is a genus of temnospondyl amphibian which lived during the Asselian to Wuchiapingian stages of the Permian, around 299-253 million years ago.

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Articular processes

The articular processes or zygapophyses (Greek ζυγον.

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Atlas (anatomy)

In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine.

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Australerpeton

Australerpeton is an extinct genus of stereospondylomorph temnospondyl currently believed to belong to the family Rhinesuchidae.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Axolotl

The axolotl (from āxōlōtl) also known as a Mexican salamander (Ambystoma mexicanum) or a Mexican walking fish, is a neotenic salamander, closely related to the tiger salamander.

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Balanerpeton

Balanerpeton is an extinct genus of temnospondyl amphibian from the Visean stage of the Early Carboniferous period.

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Baphetes

Baphetes is an extinct genus of tetrapod from the Czech Republic.

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Baphetidae

Baphetidae is an extinct family of early tetrapods.

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Basal (phylogenetics)

In phylogenetics, basal is the direction of the base (or root) of a rooted phylogenetic tree or cladogram.

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Batrachia

The Batrachia are a clade of amphibians that includes frogs and salamanders, as well as the extinct allocaudates, but not caecilians.

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Batrachosaurus

Batrachosaurus is an extinct genus of prehistoric amphibian.

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Batrachosuchus

Batrachosuchus is an extinct genus of temnospondyl amphibian from the Triassic of Southern Africa and Australia.

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Benthosuchus

Benthosuchus is an extinct genus of temnospondyl amphibian from the Early Triassic of Russia.

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Brachyopidae

Brachyopidae is an extinct family of Temnospondyl labyrintodonts.

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Brachyopoidea

Brachyopoidea is a superfamily of temnospondyls that lived during the Mesozoic.

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Brachystelechidae

Brachystelechidae is an extinct family of Early Permian microsaurs.

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Branchial arch

Branchial arches, or gill arches, are a series of bony "loops" present in fish, which support the gills.

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Branchiosauridae

Branchiosauridae is an extinct family of temnospondyl amphibians.

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Branchiosaurus

Branchiosaurus (from Greek 'Branchios', meaning gills and 'Sauros', meaning lizard) is a genus of small, lightly built early prehistoric amphibians.

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Caecilian

Caecilians (New Latin for "blind ones") are a group of limbless, serpentine amphibians.

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Caerorhachis

Caerorhachis (meaning "suitable spine" in Greek) is an extinct genus of early tetrapod from the Early Carboniferous of Scotland, probably from the Serpukhovian stage.

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Capetus Silvius

Capetus or Capetus Silvius (said to have reigned 934-921 BC)() was a descendant of Aeneas and one of the legendary Latin kings of Alba Longa.

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Capitosauria

Capitosauria is an extinct group of large temnospondyl amphibians with simplified stereospondyl vertebrae.

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Capitosaurus

Capitosaurus is an extinct genus of temnospondyl whose remains have been found in Spitsbergen and Germany.

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Carbon dioxide

Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.

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Carboniferous

The Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period million years ago (Mya), to the beginning of the Permian Period, Mya.

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Carnian

The Carnian (less commonly, Karnian) is the lowermost stage of the Upper Triassic series (or earliest age of the Late Triassic epoch).

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Cartilage

Cartilage is a resilient and smooth elastic tissue, a rubber-like padding that covers and protects the ends of long bones at the joints, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components.

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Cheliderpeton

Cheliderpeton (often misspelled Chelyderpeton) is an extinct genus of temnospondyl amphibian.

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Chigutisauridae

Chigutisauridae is an extinct family of large temnospondyl amphibians.

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China

China, officially the People's Republic of China (PRC), is a unitary one-party sovereign state in East Asia and the world's most populous country, with a population of around /1e9 round 3 billion.

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Clade

A clade (from κλάδος, klados, "branch"), also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".

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Cladistics

Cladistics (from Greek κλάδος, cládos, i.e., "branch") is an approach to biological classification in which organisms are categorized in groups ("clades") based on the most recent common ancestor.

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Cladogram

A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms.

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Class (biology)

In biological classification, class (classis) is a taxonomic rank, as well as a taxonomic unit, a taxon, in that rank.

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Cleithrum

The cleithrum is a membrane bone which first appears as part of the skeleton in primitive bony fish, where it runs vertically along the scapula.

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Cochleosauridae

Cochleosauridae is a family of Temnospondyli.

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Cochleosaurus

Cochleosaurus ('spoon lizard') is a name of a tetrapod belonging to Temnospondyli, which lived during the late Carboniferous period (Moscovian, about 310 millions years ago).

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Colosteidae

The Colosteidae are a family of tetrapod-like vertebrates that lived in the Carboniferous period.

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Crab-eating frog

The crab-eating frog (Fejervarya cancrivora) is a frog native to south-eastern Asia including Taiwan, China, the Philippines and more rarely as far west as Orissa in India.

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Crassigyrinus

Crassigyrinus (meaning "thick tadpole") is an extinct genus of carnivorous stem tetrapod from the Early Carboniferous of Scotland and possibly Greer, West Virginia.

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Cretaceous

The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.

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Crocodile

Crocodiles (subfamily Crocodylinae) or true crocodiles are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.

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Crown group

In phylogenetics, the crown group of a collection of species consists of the living representatives of the collection together with their ancestors back to their most recent common ancestor as well as all of that ancestor's descendants.

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Cryobatrachus

Cryobatrachus (from Greek, κρύος (krýos, "cold") and βάτραχος (batrakhos, "frog")) is an extinct genus of temnospondyl amphibian from the Early Triassic of Antarctica.

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Cutaneous respiration

Cutaneous respiration, or cutaneous gas exchange, is a form of respiration in which gas exchange occurs across the skin or outer integument of an organism rather than gills or lungs.

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D. M. S. Watson

David Meredith Seares Watson FRS (18 June 1886 – 23 July 1973) was the Jodrell Professor of Zoology and Comparative Anatomy at University College, London from 1921 to 1951.

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Darwin's frog

Darwin's frog (Rhinoderma darwinii), also called the southern Darwin's frog is a rhinodermatid frog native to the forest streams of Chile and Argentina.

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Dasyceps

Dasyceps is an extinct genus of an unusual temnospondyl from Early Permian of England.

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Dendrerpeton

Dendrerpeton is an extinct genus of temnospondyl amphibian from the Carboniferous of Nova Scotia.

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Dendrerpetontidae

Dendrerpetontidae is a family of Temnospondyli.

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Dentin

Dentin (American English) or dentine (British English) (substantia eburnea) is a calcified tissue of the body and, along with enamel, cementum, and pulp, is one of the four major components of teeth.

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Dermal bone

A dermal bone or membrane bone is a bony structure derived from intramembranous ossification forming components of the vertebrate skeleton including much of the skull, jaws, gill covers, shoulder girdle and fin spines rays (lepidotrichia), and the shell (of tortoises and turtles).

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Diadectomorpha

Diadectomorpha are a clade of large reptile-like amphibians that lived in Euramerica during the Carboniferous and Early Permian periods and in Asia during Late Permian (Wuchiapingian), and are very close to the ancestry of the Amniota.

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Dissorophidae

Dissorophidae is an extinct family of medium-sized, temnospondyl amphibians that flourished during the Late Pennsylvanian and early Permian periods in what is now North America and Europe.

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Dissorophinae

Dissorophinae is a subfamily of dissorophid temnospondyls that includes Dissorophus and Broiliellus.

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Dissorophoidea

Dissorophoideans are a clade of medium-sized, temnospondyl amphibians that appeared during the Moscovian in Euramerica, and continued through to the Late Permian and even possibly the Early Triassic of Gondwana (if Micropholis belongs here).

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Doleserpeton

Doleserpeton is an extinct, monospecific genus of dissorophoidean temnospondyl within the family Amphibamidae that lived during the Upper Permian, 285 million years ago.

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Dutuitosaurus

Dutuitosaurus is a genus of African metoposauridae, a group of amphibians that lived at the end of the Triassic period.

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Dvinosauria

Dvinosaurs are one of several new clades of Temnospondyl amphibians named in the phylogenetic review of the group by Yates and Warren 2000.

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Dvinosaurus

Dvinosaurus is a genus of extinct temnospondyl amphibian from the Late Permian of Russia.

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Eardrum

In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.

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Early Cretaceous

The Early Cretaceous/Middle Cretaceous (geochronological name) or the Lower Cretaceous (chronostratigraphic name), is the earlier or lower of the two major divisions of the Cretaceous.

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Early Triassic

The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale.

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Ecolsonia

Ecolsonia is an extinct genus of dissorophoidean euskelian temnospondyl.

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Edingerella

Edingerella is an extinct genus of temnospondyl amphibian from the Early Triassic of Madagascar.

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Edopoidea

Edopoidea is a clade of primitive temnospondyl amphibians including the genus Edops and the family Cochleosauridae.

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Edops

Edops ('glutton face') is an extinct genus of temnospondyl.

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Edward Drinker Cope

Edward Drinker Cope (July 28, 1840 – April 12, 1897) was an American paleontologist and comparative anatomist, as well as a noted herpetologist and ichthyologist.

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Embolomeri

Embolomeri is a suborder of Reptiliomorpha.

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England

England is a country that is part of the United Kingdom.

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Eobrachyopidae

Eobrachyopidae is a family of dvinosaurian temnospondyls.

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Eoherpeton

Eoherpeton is the only genus of the family Eoherpetontidae in the extinct suborder Embolomeri.

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Eoscopus

Eoscopus is an extinct genus of dissorophoidean euskelian temnospondyl in the family Amphibamidae.

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Ermine Cowles Case

Ermine Cowles Case (1871–1953), invariably known as E.C. Case, was a prominent American paleontologist in the second generation that succeeded Othniel Charles Marsh and Edward Drinker Cope.

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Eryopidae

Eryopidae were a group of medium to large amphibious temnospondyli, known from North America and Europe.

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Eryopiformes

Eryopiformes is a group of rhachitomi temnospondyl amphibians.

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Eryopoidea

Eryopoidea are a taxon of late Carboniferous and Permian temnospondyli amphibians, known from North America and Europe.

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Eryops

Eryops meaning "drawn-out face" because most of its skull was in front of its eyes (Greek ἐρύειν, eryein.

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Eucritta

Eucritta (meaning "true creature") is a genus of stem-tetrapod from the Viséan epoch in the Carboniferous period of Scotland.

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Euskelia

Euskelia is a clade of extinct Temnospondyl amphibians.

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Eutemnospondyli

Eutemnospondyli (meaning "true Temnospondyli") is a clade of temnospondyl amphibians that includes most temnospondyls except edopoids.

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External fertilization

External fertilization is a male organism’s sperm fertilizing a female organism’s egg outside of the female’s body.

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Fayella

Fayella is an extinct genus of dissorophoidean temnospondyl amphibian within the family Dissorophidae.

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Frog

A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura (Ancient Greek ἀν-, without + οὐρά, tail).

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Frontal bone

The frontal bone is a bone in the human skull.

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Georgenthalia

Georgenthalia is an extinct genus of dissorophoid temnospondyl from the Lower Permian.

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Gephyrostegidae

Gephyrostegidae is an extinct family of reptiliomorph tetrapods from the Late Carboniferous including the genera Gephyrostegus, Bruktererpeton, and Eusauropleura.

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Gerobatrachus

Gerobatrachus is an extinct genus of amphibamid temnospondyl (represented by the type species Gerobatrachus hottoni) that lived in the Early Permian, approximately 290 million years ago (Ma), in the area that is now Baylor County, Texas.

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Gerrothorax

Gerrothorax ("wicker chest") is an extinct genus of temnospondyl amphibian from the Triassic period of Greenland, Germany, Sweden, and possibly Thailand.

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Ghost lineage

A ghost lineage is a phylogenetic lineage that is inferred to exist (inferred-existence) but has no fossil record.

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Gill

A gill is a respiratory organ found in many aquatic organisms that extracts dissolved oxygen from water and excretes carbon dioxide.

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Glanochthon

Glanochthon is an extinct genus of temnospondyl amphibian from the Early Permian of Germany.

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Gondwana

Gondwana, or Gondwanaland, was a supercontinent that existed from the Neoproterozoic (about 550 million years ago) until the Carboniferous (about 320 million years ago).

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Greek language

Greek (Modern Greek: ελληνικά, elliniká, "Greek", ελληνική γλώσσα, ellinikí glóssa, "Greek language") is an independent branch of the Indo-European family of languages, native to Greece and other parts of the Eastern Mediterranean and the Black Sea.

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Gunnar Säve-Söderbergh

Gunnar Säve-Söderbergh (January 31, 1910 – June 8, 1948) was a Swedish palaeontologist and geologist.

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Guy's Cliffe

Guy's Cliffe (variously spelled with and without an apostrophe and a final "e") is a hamlet on the River Avon and the Coventry Road between Warwick and Leek Wootton in Warwickshire, England, near Old Milverton.

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Heylerosauridae

Heylerosauridae is a family of mastodonsauroid temnospondyls.

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Homology (biology)

In biology, homology is the existence of shared ancestry between a pair of structures, or genes, in different taxa.

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Hyomandibula

The hyomandibula, commonly referred to as hyomandibular (os hyomandibulare, from hyoeides, "upsilon-shaped" (υ), and Latin: mandibula, "jawbone") is a set of bones that is found in the hyoid region in most fishes.

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Iberospondylus

Iberospondylus is an extinct genus of basal temnospondyl amphibian which lived in a marine environment.

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Ichthyostega

Ichthyostega (Greek: "fish roof") is an early tetrapodomorph genus that lived at the end of the Upper Devonian period.

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Ilium (bone)

The ilium (plural ilia) is the uppermost and largest part of the hip bone, and appears in most vertebrates including mammals and birds, but not bony fish.

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Impedance matching

In electronics, impedance matching is the practice of designing the input impedance of an electrical load or the output impedance of its corresponding signal source to maximize the power transfer or minimize signal reflection from the load.

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Indobrachyops

Indobrachyops is an extinct genus of temnospondyl amphibian from the Early Triassic of India.

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Inner ear

The inner ear (internal ear, auris interna) is the innermost part of the vertebrate ear.

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Intasuchus

Intasuchus is an extinct genus of temnospondyl amphibian from the Late Permian of Russia.

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Internal fertilization

Internal fertilization is the union of an egg cell with a sperm during sexual reproduction inside the body of a parent.

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Ischium

The ischium forms the lower and back part of the hip bone (os coxae).

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Isodectes

Isodectes is an extinct genus of dvinosaurian temnospondyl within the family Eobrachyopidae.

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Karl Alfred Ritter von Zittel

Karl Alfred Ritter von Zittel (25 September 1839 – 5 January 1904) was a German palaeontologist.

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Keuper

The Keuper is a lithostratigraphic unit (a sequence of rock strata) in the subsurface of large parts of west and central Europe.

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Koolasuchus

Koolasuchus is an extinct genus of brachyopoid temnospondyl in the family Chigutisauridae.

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Kryostega

Kryostega is a large temnospondyl amphibian from the Early or Middle Triassic of Antarctica.

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Labyrinthodontia

Labyrinthodontia (Greek, "maze-toothed") is an extinct amphibian subclass, which constituted some of the dominant animals of late Paleozoic and early Mesozoic eras (about 390 to 150 million years ago).

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Laidleria

Laidleria is an extinct genus of unusual armored temnospondyl from Early Triassic of South Africa.

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Lapillopsidae

Lapillopsidae is a family of Temnospondyli.

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Larva

A larva (plural: larvae) is a distinct juvenile form many animals undergo before metamorphosis into adults.

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Late Triassic

The Late Triassic is the third and final of three epochs of the Triassic Period in the geologic timescale.

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Lateral line

The lateral line is a system of sense organs found in aquatic vertebrates, used to detect movement, vibration, and pressure gradients in the surrounding water.

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Latiscopidae

Latiscopidae is a family of Mesozoic Era amphibian Temnospondyli.

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Leopold Fitzinger

Leopold Joseph Franz Johann Fitzinger (13 April 1802 – 20 September 1884) was an Austrian zoologist.

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Lepospondyli

Lepospondyli is a diverse taxon of reptiliomorph tetrapods.

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Limnarchia

Limnarchia is a clade of temnospondyls.

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Lissamphibia

The Lissamphibia are a group of tetrapods that includes all modern amphibians.

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List of semiaquatic tetrapods

This is a list of tetrapods that are semiaquatic; that is, while being at least partly terrestrial, they spend part of their life cycle or a significant fraction of their time in water as part of their normal behavior, and/or obtain a significant fraction of their food from an aquatic habitat.

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Lungfish

Lungfish are freshwater rhipidistian fish belonging to the subclass Dipnoi.

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Lydekkerina

No description.

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Lydekkerinidae

Lydekkerinidae is a family of stereospondyl temnospondyls that lived in the Triassic period.

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Lyrocephaliscus

Lyrocephaliscus is an extinct genus of trematosaurian temnospondyl within the family Trematosauridae.

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Lysorophia

Lysorophia is an order of aquatic Carboniferous and Permian amphibians within the extinct subclass Lepospondyli.

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Magnesian Limestone

The Magnesian Limestone is a suite of carbonate rocks in north-east England dating from the Permian period.

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Mastodonsauridae

Mastodonsauridae is a family of capitosauroid temnospondyls.

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Mastodonsauroidea

The Mastodonsauroidea are an extinct superfamily of temnospondyl amphibians known from the Triassic and Jurassic.

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Mastodonsaurus

Mastodonsaurus (meaning "breast tooth lizard") is an extinct genus of temnospondyl amphibian from the Middle Triassic.

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Mauch Chunk Formation

The Mississippian Mauch Chunk Formation (Mmc) is a mapped bedrock unit in Pennsylvania, Maryland, and West Virginia.

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Melosaurus

Melosaurus is an extinct genus of temnospondyl amphibian.

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Metamorphosis

Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation.

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Metoposauridae

Metoposauridae is an extinct family of trematosaurian temnospondyls.

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Metoposauroidea

Metoposauroidea is an extinct superfamily of temnospondyls that lived from the Middle to Upper Triassic in North America, Europe and North Africa.

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Metoposaurus

Metoposaurus meaning "front lizard" is an extinct genus of Stereospondyli temnospondyl amphibian, known from the Late Triassic of Germany, Italy, Poland, and Portugal.

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Microhylidae

The Microhylidae, commonly known as narrow-mouthed frogs, are a geographically widespread family of frogs.

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Micromelerpeton

Micromelerpeton is an extinct genus of dissorophoidean euskelian temnospondyl within the family Micromelerpetontidae.

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Micromelerpetontidae

Micromelerpetontidae is an extinct family of dissorophoid temnospondyl amphibians that lived from the Late Carboniferous to the Early Permian in what is now Europe.

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Micropholis (amphibian)

Micropholis (Greek 'mikros'.

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Microsauria

Microsauria ("small lizards") is an extinct order of amphibians from the late Carboniferous and early Permian periods.

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Mississippian (geology)

The Mississippian (also known as Lower Carboniferous or Early Carboniferous) is a subperiod in the geologic timescale or a subsystem of the geologic record.

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Molecular clock

The molecular clock is a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged.

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Mouthbrooder

Mouthbrooding, also known as oral incubation and buccal incubation, is the care given by some groups of animals to their offspring by holding them in the mouth of the parent for extended periods of time.

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Mucous gland

Mucous gland, also known as muciparous glands, are found in several different parts of the body, and they typically stain lighter than serous glands during standard histological preparation.

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Nasal bone

The nasal bones are two small oblong bones, varying in size and form in different individuals; they are placed side by side at the middle and upper part of the face, and form, by their junction, "the bridge" of the nose.

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National Museum of Natural History

The National Museum of Natural History is a natural-history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States.

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Nectridea

Nectridea is the name of an extinct order of lepospondyl tetrapods from the Carboniferous and Permian periods, including animals such as Diplocaulus.

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Neldasaurus

Neldasaurus is an extinct genus of dvinosaurian temnospondyl within the family Trimerorhachidae.

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Neoteny

Neoteny, (also called juvenilization)Montagu, A. (1989).

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Niger

Niger, also called the Niger officially the Republic of the Niger, is a landlocked country in Western Africa named after the Niger River.

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Nigerpeton

Nigerpeton is a genus of temnospondyl amphibian which lived during the Permian period some 250 million years ago in Niger.

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Notochord

In anatomy, the notochord is a flexible rod made out of a material similar to cartilage.

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Occipital bone

The occipital bone is a cranial dermal bone, and is the main bone of the occiput (back and lower part of the skull).

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Occipital condyles

The occipital condyles are undersurface protuberances of the occipital bone in vertebrates, which function in articulation with the superior facets of the atlas vertebra.

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Ontogeny

Ontogeny (also ontogenesis or morphogenesis) is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form—although the term can be used to refer to the study of the entirety of an organism's lifespan.

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Ossification

Ossification (or osteogenesis) in bone remodeling is the process of laying down new bone material by cells called osteoblasts.

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Palaeos

Palaeos.com is a web site on biology, paleontology, phylogeny and geology and which covers the history of Earth.

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Palate

The palate is the roof of the mouth in humans and other mammals.

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Palatinerpeton

Palatinerpeton is an extinct genus of temnospondyl amphibian.

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Parasphenoid

The parasphenoid is a bone which can be found in the cranium of some vertebrates.

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Parietal bone

The parietal bones are two bones in the human skull which, when joined together at a fibrous joint, form the sides and roof of the cranium.

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Parietal foramen

The parietal foramen is an opening for the parietal emissary vein, which drains into the superior sagittal sinus.

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Parioxys

Parioxys is an extinct genus of temnospondyl amphibian from the Early Permian of Texas.

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Pasawioops

Pasawioops is an extinct genus of dissorophoid euskelian temnospondyl within the family Amphibamidae.

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Pedicellate teeth

Pedicellate teeth are a tooth morphology today unique to modern amphibians, but also seen in a variety of extinct labyrinthodonts.

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Peltobatrachus

Peltobatrachus (from Greek pelte, meaning shield and batrakhos, meaning frog) is an extinct genus of temnospondyl amphibian from the late Permian period of Tanzania.

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Peltostega

Peltostega is an extinct genus of prehistoric amphibian.

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Pelvis

The pelvis (plural pelves or pelvises) is either the lower part of the trunk of the human body between the abdomen and the thighs (sometimes also called pelvic region of the trunk) or the skeleton embedded in it (sometimes also called bony pelvis, or pelvic skeleton).

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Pennsylvania

Pennsylvania (Pennsylvania German: Pennsylvaani or Pennsilfaani), officially the Commonwealth of Pennsylvania, is a state located in the northeastern and Mid-Atlantic regions of the United States.

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Pennsylvanian (geology)

The Pennsylvanian (also known as Upper Carboniferous or Late Carboniferous) is, in the ICS geologic timescale, the younger of two subperiods (or upper of two subsystems) of the Carboniferous Period.

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Perilymphatic duct

In the anatomy of the human ear, the perilymphatic duct is where the perilymphatic space (vestibule of the ear) is connected to the subarachnoid space.

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Permian

The Permian is a geologic period and system which spans 47 million years from the end of the Carboniferous Period million years ago (Mya), to the beginning of the Triassic period 251.902 Mya.

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Pharyngeal pouch (embryology)

In the embryonic development of vertebrates, pharyngeal pouches form on the endodermal side between the pharyngeal arches.

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Philosophical Transactions of the Royal Society B

Philosophical Transactions of the Royal Society B: Biological Sciences is a biweekly peer-reviewed scientific journal published by the Royal Society.

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Phonerpeton

Phonerpeton is an extinct genus of dissorophoidean euskelian temnospondyl within the family Trematopidae.

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Phylogenetics

In biology, phylogenetics (Greek: φυλή, φῦλον – phylé, phylon.

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Phytosaurus

Phytosaurus is a dubious genus of ?phytosaur (an extinct group of superficially crocodile-like archosaurs), and also the first phytosaur to be described, by G. Jaeger in 1828.

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Plagiosauridae

Plagiosauridae is a clade of temnospondyl amphibians of the Middle to Late Triassic.

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Plagiosauroidea

Plagiosauroidea is a superfamily of Temnospondyli that lived in the Triassic period.

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Platyrhinops

Platyrhinops is an extinct genus amphibamid temnospondyl from the Late Carboniferous (late Westphalian stage) of Ohio and the Czech Republic.

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Plemmyradytes

Plemmyradytes is an extinct genus of dissorophoid temnospondyl from the early Permian (early Asselian stage).

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Posterior nasal apertures

The posterior nasal apertures or internal nostrils are the openings found at the posterior (back part) of the nasal passage between the nasal cavity and the throat in tetrapods with secondary palates, including humans and other mammals (as well as crocodilians and most skinks).

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Prionosuchus

Prionosuchus is an extinct genus of large temnospondyl.

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Protorosauria

Protorosauria is an extinct, possibly polyphyletic, group of archosauromorph reptiles from the latest Permian (Changhsingian stage) to the early Late Triassic (Carnian stage) of Asia, Europe, North America.

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Pseudosuchia

Pseudosuchia ("false crocodiles") is one of two major divisions of Archosauria and includes living crocodilians and all archosaurs more closely related to crocodilians than to birds (what are often called "crocodilian-line archosaurs").

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Pterygoid bone

The pterygoid is a paired bone forming part of the palate of many vertebrates, behind the palatine bones.

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Reptile

Reptiles are tetrapod animals in the class Reptilia, comprising today's turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.

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Reptiliomorpha

Reptiliomorpha is a clade containing the amniotes and those tetrapods that share a more recent common ancestor with amniotes than with living amphibians (lissamphibians).

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Rhachitomi

Rhachitomi is a group of temnospondyl amphibians that includes all temnospondyls except edopoids and dendrerpetontids.

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Rhinesuchidae

Rhinesuchidae is a family of tetrapods that lived primarily in the Permian period.

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Rhombopholis

Rhombopholis is an extinct genus of archosauromorph reptile known from England.

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Rhytidostea

Rhytidostea is a clade of stereospondyl temnospondyls.

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Rhytidosteidae

Rhytidosteidae is a family of Temnospondyli that lived in the Permian and Triassic.

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Rhytidosteoidea

Rhytidosteoidea is a superfamily of Temnospondyli.

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Rib

In vertebrate anatomy, ribs (costae) are the long curved bones which form the rib cage.

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Richard Owen

Sir Richard Owen (20 July 1804 – 18 December 1892) was an English biologist, comparative anatomist and paleontologist.

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Rift valley

A rift valley is a linear-shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault.

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Rileymillerus

Rileymillerus is an extinct genus of temnospondyl amphibian from the Late Triassic of Texas.

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Saharastega

Saharastega is a genus of prehistoric amphibian which lived during the late Permian period, around 251 to 260 million years ago.

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Salamander

Salamanders are a group of amphibians typically characterized by a lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults.

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Sauria

The clade Sauria was traditionally a suborder for lizards which originally (before 1800) comprised crocodilians too.

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Sclerocephalus

Sclerocephalus is an extinct genus of temnospondyl amphibian from the lowermost Permian of Germany with four valid species, including the type species S. haeuseri.

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Sclerothorax

Sclerothorax is an extinct genus of temnospondyl amphibian from the Early Triassic of Germany.

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Scute

A scute or scutum (Latin scutum, plural: scuta "shield") is a bony external plate or scale overlaid with horn, as on the shell of a turtle, the skin of crocodilians, and the feet of birds.

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Sensu

Sensu is a Latin word meaning "in the sense of".

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Seymouriamorpha

Seymouriamorpha were a small but widespread group of limbed vertebrates (tetrapods).

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Shoulder girdle

The shoulder girdle or pectoral girdle is the set of bones in the appendicular skeleton which connects to the arm on each side.

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Sister group

A sister group or sister taxon is a phylogenetic term denoting the closest relatives of another given unit in an evolutionary tree.

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Solenodonsaurus

Solenodonsaurus ("single-tooth lizard") is an extinct genus of reptiliomorphs that lived in what is now Czech Republic, during the Westphalian stage.

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South American lungfish

The South American lungfish (Lepidosiren paradoxa) is the single species of lungfish found in swamps and slow-moving waters of the Amazon, Paraguay, and lower Paraná River basins in South America.

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Stapes

The stapes or stirrup is a bone in the middle ear of humans and other mammals which is involved in the conduction of sound vibrations to the inner ear.

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Stegocephalia

Stegocephalia is a name used for four-limbed stem-tetrapods, and their amphibian-grade descendants, and in phylogenetic nomenclature for all tetrapods.

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Stegops

Stegops is an extinct genus of euskelian temnospondyl from the Late Carboniferous of the eastern United States.

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Stenotosauridae

Stenotosauridae is an extinct family of mastodonsauroid temnospondyls.

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Stereospondyli

The Stereospondyli are a group of extinct temnospondyl amphibians.

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Stereospondylomorpha

Stereospondylomorpha is a clade of temnospondyls.

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Sulcus (morphology)

The term sulcus (pl. sulci) is a general descriptive term for a furrow or fissure.

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Synapomorphy and apomorphy

In phylogenetics, apomorphy and synapomorphy refer to derived characters of a clade – characters or traits that are derived from ancestral characters over evolutionary history.

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Synonym (taxonomy)

In scientific nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name,''ICN'', "Glossary", entry for "synonym" although the term is used somewhat differently in the zoological code of nomenclature.

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Taxon

In biology, a taxon (plural taxa; back-formation from taxonomy) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit.

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Tersomius

Tersomius is an extinct genus of dissorophoidean euskelian temnospondyl within the family Doleserpetontidae.

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Tetrapod

The superclass Tetrapoda (from Greek: τετρα- "four" and πούς "foot") contains the four-limbed vertebrates known as tetrapods; it includes living and extinct amphibians, reptiles (including dinosaurs, and its subgroup birds) and mammals (including primates, and all hominid subgroups including humans), as well as earlier extinct groups.

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Texas

Texas (Texas or Tejas) is the second largest state in the United States by both area and population.

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Tooth enamel

Tooth enamel is one of the four major tissues that make up the tooth in humans and many other animals, including some species of fish.

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Trace fossil

A trace fossil, also ichnofossil (ιχνος ikhnos "trace, track"), is a geological record of biological activity.

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Trematopidae

Trematopidae is a family of Temnospondyli.

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Trematosauria

Trematosauria is one of two major groups of temnospondyl amphibians that survived the Permian-Triassic extinction event, the other (according to Yates and Warren 2000) being the Capitosauria.

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Trematosauridae

Trematosauridae are a family of large temnospondyl amphibians with many members.

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Trematosauroidea

Trematosauroidea are an important group of Triassic temnospondyl amphibians.

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Trematosaurus

Trematosaurus is an extinct genus of temnospondyl amphibian found in Germany and Russia.

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Triassic

The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya.

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Triassic–Jurassic extinction event

The Triassic–Jurassic extinction event marks the boundary between the Triassic and Jurassic periods,, and is one of the major extinction events of the Phanerozoic eon, profoundly affecting life on land and in the oceans.

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Trimerorhachis

Trimerorhachis is an extinct genus of dvinosaurian temnospondyl within the family Trimerorhachidae.

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Tuditanomorpha

Tuditanomorpha is a suborder of microsaur lepospondyls.

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Tulerpeton

Tulerpeton is a fossil of an extinct genus of Devonian labyrinthodont that was found in the Tula Region of Russia at a site named Andreyevka.

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Tupilakosauridae

Tupilakosauridae is an extinct family of dvinosaurian temnospondyls.

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Tympanum (anatomy)

The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects.

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Uncinate processes of ribs

The uncinate processes of the ribs are extensions of bone that project caudally from the vertical segment of each rib.

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Vertebra

In the vertebrate spinal column, each vertebra is an irregular bone with a complex structure composed of bone and some hyaline cartilage, the proportions of which vary according to the segment of the backbone and the species of vertebrate.

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Viséan

The Visean, Viséan or Visian is an age in the ICS geologic timescale or a stage in the stratigraphic column.

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Vitelline membrane

The vitelline membrane or vitelline envelope is a structure surrounding the outer surface of the plasma membrane of an ovum (the oolemma) or, in some animals (e.g., birds), the extracellular yolk and the oolemma.

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Warwickshire

Warwickshire (abbreviated Warks) is a landlocked county in the West Midlands of England.

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Watsonisuchus

Watsonisuchus is an extinct genus of temnospondyl amphibian from the Early Triassic of Australia, Madagascar, and South Africa.

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Westlothiana

Westlothiana is a genus of reptile-like amphibian or possibly early reptile that bore a superficial resemblance to modern-day lizards.

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Wetlugasaurus

Wetlugasaurus (meaning "wet lizard") is an extinct genus of temnospondyl amphibian from the Early Triassic of northern Russia and Greenland.

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Whatcheeriidae

Whatcheeriidae is an extinct family of tetrapods which lived in the Mississippian sub-period, a subdivision of the Carboniferous period.

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William Buckland

William Buckland DD, FRS (12 March 1784 – 14 August 1856) was an English theologian who became Dean of Westminster.

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Zatrachydidae

Zatrachydidae (sometimes mistakenly spelled Zatracheidae) is a family of Late Carboniferous and Early Permian temnospondyl amphibians known from North America and Europe.

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Zatrachys

Zatrachys is an extinct genus of large and flat-headed temnospondyl from Early Permian age of the Paleozoic Era.

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Zechstein

The Zechstein (German either from mine stone or tough stone) is a unit of sedimentary rock layers of Middle to Late Permian (Guadalupian to Lopingian) age located in the European Permian Basin which stretches from the east coast of England to northern Poland.

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Zygosaurus

Zygosaurus is an extinct genus of dissorophoid temnospondyl from the Middle Permian of Russia.

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Redirects here:

Crocamander, Temnospondyl, Temnospondyls.

References

[1] https://en.wikipedia.org/wiki/Temnospondyli

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