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42 relations: Acanthostega, Alfred Romer, Amniote, Amphibian, Armour (anatomy), Baphetidae, Baphetoidea, Clade, Cladistics, Colosteidae, Crassigyrinus, Crown group, Devonian, Edward Drinker Cope, Elginerpeton, Elpistostegalia, Elpistostege, Elpistostegidae, Evolutionary grade, Field Museum of Natural History, Greek language, Hermann Burmeister, Holocene, Hynerpeton, Ichthyostega, Labyrinthodontia, Lissamphibia, Metaxygnathus, Michel Laurin, Order (biology), Panderichthys, Paraphyly, Phylogenetic nomenclature, Reptile, Systematics, Temnospondyli, Tetrapod, Tetrapodomorpha, Tiktaalik, Ventastega, Vertebrate, Whatcheeriidae.
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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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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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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Amphibian
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.
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Armour (anatomy)
Armour or armor in animals is external or superficial protection against attack by predators, formed as part of the body (rather than the behavioural use of protective external objects), usually through the hardening of body tissues, outgrowths or secretions.
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Baphetidae
Baphetidae is an extinct family of early tetrapods.
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Baphetoidea
Baphetoidea is a superfamily of early tetrapods.
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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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Colosteidae
The Colosteidae are a family of tetrapod-like vertebrates that lived in the Carboniferous period.
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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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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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Devonian
The Devonian is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya.
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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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Elginerpeton
Elginerpeton is a monotypic genus of early tetrapod, the fossils of which were recovered from Scat Craig, Scotland, in rocks dating to the late Devonian Period (Late Frasnian stage, 375 million years ago).
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Elpistostegalia
Elpistostegalia or Panderichthyida is an order of prehistoric lobe-finned fishes which lived during the Late Devonian period (about 385 to 374 million years ago).
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Elpistostege
Elpistostege is an extinct genus of tetrapod-like vertebrate that lived in the Late Devonian period (Late Givetian to Early Frasnian).
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Elpistostegidae
Elpistostegidae is an extinct family of tetrapod-like fish that lived in the Late Devonian period (Late Givetian to Early Frasnian).
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Evolutionary grade
In alpha taxonomy, a grade is a taxon united by a level of morphological or physiological complexity.
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Field Museum of Natural History
The Field Museum of Natural History, also known as The Field Museum, is a natural history museum in the city of Chicago, and is one of the largest such museums in the world.
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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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Hermann Burmeister
Karl Hermann Konrad Burmeister (15 January 1807 – 2 May 1892) was a German Argentine zoologist, entomologist, herpetologist, and botanist.
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Holocene
The Holocene is the current geological epoch.
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Hynerpeton
Hynerpeton (from Greek Υνηρπετον "creeping animal from Hyner") was a basal carnivorous tetrapod that lived in the lakes and estuaries of the Late Devonian period around 360 million years ago.
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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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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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Lissamphibia
The Lissamphibia are a group of tetrapods that includes all modern amphibians.
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Metaxygnathus
Metaxygnathus is an extinct genus of ichthyostegalian amphibian found in Late Devonian deposits of New South Wales, Australia.
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Michel Laurin
Michel Laurin is a vertebrate paleontologist whose specialties include the emergence of a land-based lifestyle among vertebrates, the evolution of body size, and the origin and phylogeny of lissamphibians.
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Order (biology)
In biological classification, the order (ordo) is.
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Panderichthys
Panderichthys is a genus of extinct sarcopterygian (lobe-finned fish) from the late Devonian period, about 380 Mya.
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Paraphyly
In taxonomy, a group is paraphyletic if it consists of the group's last common ancestor and all descendants of that ancestor excluding a few—typically only one or two—monophyletic subgroups.
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Phylogenetic nomenclature
Phylogenetic nomenclature, often called cladistic nomenclature, is a method of nomenclature for taxa in biology that uses phylogenetic definitions for taxon names as explained below.
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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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Systematics
Biological systematics is the study of the diversification of living forms, both past and present, and the relationships among living things through time.
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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.
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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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Tetrapodomorpha
The Tetrapodomorpha (also known as Choanata) are a clade of vertebrates consisting of tetrapods (four-limbed vertebrates) and their closest sarcopterygian relatives that are more closely related to living tetrapods than to living lungfish.
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Tiktaalik
Tiktaalik is a monospecific genus of extinct sarcopterygian (lobe-finned fish) from the late Devonian period, about 375 MYA (million years ago), having many features akin to those of tetrapods (four-legged animals).
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Ventastega
Ventastega is a basal tetrapod that lived during the Famennian subdivision of the Late Devonian period approximately 372.2 to 359.2 million years ago, though Ventastega origins as a tetrapod lineage are probably seated in the preceding Frasnian period of the Late Devonian (385.3 to 374.5 million years ago) when a surge of morphological diversification of tetrapods began.
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Vertebrate
Vertebrates comprise all species of animals within the subphylum Vertebrata (chordates with backbones).
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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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References
[1] https://en.wikipedia.org/wiki/Stegocephalia
