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71 relations: Alfred Romer, Amniote, Anapsid, Araeoscelidia, Archosauriformes, Archosauromorpha, Asselian, Axel Meyer, Bradysaurus, Captorhinida, Captorhinidae, Choristodera, Clade, Cladistics, Cladogram, Claudiosaurus, Diapsid, Eunotosaurus, Eureptilia, Everett C. Olson, Field Museum of Natural History, Hallucicrania, Jacques Gauthier, Journal of Vertebrate Paleontology, Lanthanosuchoidea, Lepidosauromorpha, Mesosaur, Michel Laurin, Millerettidae, Millerosauria, Molecular Biology and Evolution, Molecular phylogenetics, Molecular Phylogenetics and Evolution, Nature (journal), Neodiapsida, Odontochelys, Oxford University Press, Paleothyris, Paleozoic, Paraphyly, Parareptilia, Pareiasaur, Pareiasauromorpha, Permian, Phylogenetic tree, Placodont, Proceedings of the National Academy of Sciences of the United States of America, Procolophonia, Procolophonidae, Procolophonoidea, ..., Procolophonomorpha, Proganochelys, Protorothyrididae, Reptile, Rhaetian, Rhynchosaur, Robert R. Reisz, Romeriida, Sauropsida, Sauropterygia, Sinosaurosphargis, Synapsid, Taxon, Tree of Life Web Project, Triassic, Trilophosaurus, Turtle, Vertebrate Palaeontology (Benton), Vertebrate Paleontology (Romer), Younginiformes, Zoological Journal of the Linnean Society. Expand index (21 more) »
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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Anapsid
An anapsid is an amniote whose skull does not have openings near the temples.
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Araeoscelidia
Araeoscelidia or Araeoscelida is a clade of extinct diapsid reptiles superficially resembling lizards, extending from the Late Carboniferous to the Early Permian.
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Archosauriformes
Archosauriformes (Greek for 'ruling lizards', and Latin for 'form') is a clade of diapsid reptiles that developed from archosauromorph ancestors some time in the Late Permian (roughly 250 million years ago).
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Archosauromorpha
Archosauromorpha (Greek for "ruling lizard forms") is a clade (or infraclass) of diapsid reptiles that first appeared during the middle Permian and became more common during the Triassic.
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Asselian
In the geologic timescale, the Asselian is the earliest geochronologic age or lowermost chronostratigraphic stage of the Permian.
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Axel Meyer
Axel Meyer (born August 4, 1960) is an evolutionary biologist and a professor of zoology and evolutionary biology at the Universität Konstanz, Germany.
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Bradysaurus
Bradysaurus was a large, early and common pareiasaur, the fossils of which are known from the Tapinocephalus Assemblage Zone (Capitanian age) of the South African Karoo.
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Captorhinida
Labidosaurus hamatus'' Captorhinida (older name: Cotylosauria) is a doubly paraphyletic grouping of early reptiles.
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Captorhinidae
Captorhinidae (also known as cotylosaurs) is one of the earliest and most basal reptile families, all members of which are extinct.
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Choristodera
Choristodera is an extinct order of semiaquatic diapsid reptiles that ranged from the Middle Jurassic, or possibly Late Triassic, to at least the early Miocene.
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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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Claudiosaurus
Claudiosaurus is an extinct genus of diapsid reptile from the Permian period of Madagascar.
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Diapsid
Diapsids ("two arches") are a group of amniote tetrapods that developed two holes (temporal fenestra) in each side of their skulls about 300 million years ago during the late Carboniferous period.
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Eunotosaurus
Eunotosaurus is an extinct genus of reptile, possibly a close relative of turtles, from the late Middle Permian (Capitanian stage) Karoo Supergroup of South Africa.
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Eureptilia
Eureptilia ("true reptiles") is one of the two major clades of the Sauropsida, the other being Parareptilia.
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Everett C. Olson
Everett Claire Olson (November 6, 1910 – November 27, 1993) was an American zoologist, paleontologist, and geologist noted for his seminal research of origin and evolution of vertebrate animals.
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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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Hallucicrania
Hallucicrania is an extinct clade of procolophonomorph parareptiles from the early Cisuralian epoch (middle Sakmarian stage) to the latest Triassic period (latest Rhaetian stage) of Africa, Antarctica, Asia, Australia, Europe, North America and South America.
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Jacques Gauthier
Jacques Armand Gauthier (born June 7, 1948 in New York City) is an American vertebrate paleontologist, comparative morphologist, and systematist, and one of the founders of the use of cladistics in biology.
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Journal of Vertebrate Paleontology
The Journal of Vertebrate Paleontology (JVP) was founded in 1980 at the University of Oklahoma by Dr.
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Lanthanosuchoidea
Lanthanosuchoidea is an extinct superfamily of ankyramorph parareptiles from the late Cisuralian to the middle Guadalupian epochs (Artinskian - Wordian stages) of Europe, North America and Asia.
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Lepidosauromorpha
Lepidosauromorpha is a group of reptiles comprising all diapsids closer to lizards than to archosaurs (which include crocodiles and birds).
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Mesosaur
Mesosaurs ("middle lizards") were a group of small aquatic reptiles that lived during the early Permian period, roughly 299 to 270 million years ago.
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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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Millerettidae
Millerettidae is an extinct family of parareptiles from the Middle Permian to the Late Permian period (Capitanian - Changhsingian stages) of South Africa.
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Millerosauria
Millerosauria is an order of Parareptiles that contains the families †Millerettidae and †Eunotosauridae.
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Molecular Biology and Evolution
Molecular Biology and Evolution is a monthly peer-reviewed scientific journal published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.
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Molecular phylogenetics
Molecular phylogenetics is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominately in DNA sequences, to gain information on an organism's evolutionary relationships.
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Molecular Phylogenetics and Evolution
Molecular Phylogenetics and Evolution is a peer-reviewed scientific journal of evolutionary biology and phylogenetics.
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Nature (journal)
Nature is a British multidisciplinary scientific journal, first published on 4 November 1869.
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Neodiapsida
Neodiapsida is a clade, or major branch, of the reptilian family tree and includes all diapsids apart from some early primitive types known as the araeoscelidians.
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Odontochelys
Odontochelys semitestacea (meaning "toothed turtle with a half-shell") is a Late Triassic relative of turtles.
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Oxford University Press
Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.
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Paleothyris
Paleothyris was a small, agile, anapsid romeriidan reptile which lived in the Middle Pennsylvanian epoch in Nova Scotia (approximately 312 to 304 million years ago).
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Paleozoic
The Paleozoic (or Palaeozoic) Era (from the Greek palaios (παλαιός), "old" and zoe (ζωή), "life", meaning "ancient life") is the earliest of three geologic eras of the Phanerozoic Eon.
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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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Parareptilia
Parareptilia ("at the side of reptiles") is a subclass or clade of reptiles which is variously defined as an extinct group of primitive anapsids, or a more cladistically correct alternative to Anapsida.
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Pareiasaur
Pareiasaurs (meaning "cheek lizards") are an extinct group of anapsid reptiles classified in the family Pareiasauridae.
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Pareiasauromorpha
Pareiasauromorpha is a group of parareptilian amniotes from the Permian.
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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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Phylogenetic tree
A phylogenetic tree or evolutionary tree is a branching diagram or "tree" showing the evolutionary relationships among various biological species or other entities—their phylogeny—based upon similarities and differences in their physical or genetic characteristics.
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Placodont
Placodonts ("Tablet teeth") is an extinct order of marine reptiles that lived during the Triassic period, becoming extinct at the end of the period.
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Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America (PNAS) is the official scientific journal of the National Academy of Sciences, published since 1915.
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Procolophonia
The Procolophonia are a suborder of herbivorous reptiles that lived from the Middle Permian till the end of the Triassic period.
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Procolophonidae
Procolophonidae is an extinct family of parareptiles from the Permian and Triassic periods.
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Procolophonoidea
Procolophonoidea is an extinct superfamily of procolophonian parareptiles.
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Procolophonomorpha
Procolophonomorpha is an order or clade of early reptiles that appeared during the Middle Permian.
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Proganochelys
Proganochelys quenstedti, identified as a primitive turtle, is an extinct genus that has been hypothesized to be the sister taxon to all other turtles creating a monophyletic group, the Casichelydia.
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Protorothyrididae
Protorothyrididae is an extinct family of small, lizard-like reptiles.
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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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Rhaetian
The Rhaetian is, in geochronology, the latest age of the Triassic period or in chronostratigraphy the uppermost stage of the Triassic system.
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Rhynchosaur
Rhynchosaurs were a group of Triassic diapsid reptiles related to the archosaurs.
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Robert R. Reisz
Robert Rafael Reisz is a Canadian paleontologist and specialist in the study of early amniote and tetrapod evolution.
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Romeriida
Romeriida is a clade of reptiles that consists of diapsids and the extinct protorothyridid genus Paleothyris, if not the entire family Protorothyrididae.
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Sauropsida
Sauropsida ("lizard faces") is a group of amniotes that includes all existing birds and other reptiles as well as their fossil ancestors and other extinct relatives.
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Sauropterygia
Sauropterygia ("lizard flippers") is an extinct, diverse taxon of aquatic reptiles that developed from terrestrial ancestors soon after the end-Permian extinction and flourished during the Mesozoic before they became extinct at the end of that era.
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Sinosaurosphargis
Sinosaurosphargis is an extinct genus of basal marine saurosphargid reptile known from the Middle Triassic (Anisian age) Guanling Formation of Yunnan and Guizhou Provinces, southwestern China.
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Synapsid
Synapsids (Greek, 'fused arch'), synonymous with theropsids (Greek, 'beast-face'), are a group of animals that includes mammals and every animal more closely related to mammals than to other living amniotes.
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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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Tree of Life Web Project
The Tree of Life Web Project is an Internet project providing information about the diversity and phylogeny of life on Earth.
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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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Trilophosaurus
Trilophosaurus (Greek for "lizard with three ridges") is a lizard-like trilophosaurid allokotosaur known from the Late Triassic of North America.
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Turtle
Turtles are diapsids of the order Testudines (or Chelonii) characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.
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Vertebrate Palaeontology (Benton)
Vertebrate Palaeontology is a basic textbook on vertebrate paleontology by Michael J. Benton, published by Blackwell's.
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Vertebrate Paleontology (Romer)
Vertebrate Paleontology is an advanced textbook on vertebrate paleontology by Alfred Sherwood Romer, published by the University of Chicago Press.
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Younginiformes
Younginiformes is a replacement name for the taxon Eosuchia, proposed by Alfred Romer in 1947.
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Zoological Journal of the Linnean Society
The Zoological Journal of the Linnean Society is a monthly peer-reviewed scientific journal of zoology published by Oxford University Press on behalf of the Linnean Society.
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Parareptile, Parareptiles, Proganosauria, Testudinomorpha.
References
[1] https://en.wikipedia.org/wiki/Parareptilia
