Avicephala & Diapsid - Unionpedia, the concept map

Allokotosauria

Allokotosauria is a clade of early archosauromorph reptiles from the Middle to Late Triassic known from Asia, Africa, North America and Europe.

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Archosauriformes

Archosauriformes (Greek for 'ruling lizards', and Latin for 'form') is a clade of diapsid reptiles encompassing archosaurs and some of their close relatives.

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Archosauromorpha

Archosauromorpha (Greek for "ruling lizard forms") is a clade of diapsid reptiles containing all reptiles more closely related to archosaurs (such as crocodilians and dinosaurs, including birds) rather than lepidosaurs (such as tuataras, lizards, and snakes).

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Avicephala

Avicephala ("bird heads") is a potentially polyphyletic grouping of extinct diapsid reptiles that lived during the Late Permian and Triassic periods characterised by superficially bird-like skulls and arboreal lifestyles.

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Bird

Birds are a group of warm-blooded vertebrates constituting the class Aves, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.

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Clade

In biological phylogenetics, a clade, also known as a monophyletic group or natural group, is a grouping of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree.

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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 (claudus is Latin for 'lameness' and saurus means 'lizard') is an extinct genus of diapsid reptiles from the Late Permian Sakamena Formation of the Morondava Basin, Madagascar.

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Coelurosauravus

Coelurosauravus (meaning "hollow lizard grandfather") is an extinct genus of gliding reptile, known from the Late Permian of Madagascar.

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Diapsid

Diapsids ("two arches") are a clade of sauropsids, distinguished from more primitive eureptiles by the presence of two holes, known as temporal fenestrae, in each side of their skulls.

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Draco (lizard)

Draco is a genus of agamid lizards that are also known as flying lizards, flying dragons or gliding lizards.

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Drepanosaur

Drepanosaurs (members of the clade Drepanosauromorpha) are a group of extinct reptiles that lived between the Carnian and Rhaetian stages of the late Triassic Period, approximately between 230 and 210 million years ago.

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Lepidosauromorpha

Lepidosauromorpha (in PhyloCode known as Pan-Lepidosauria) is a group of reptiles comprising all diapsids closer to lizards than to archosaurs (which include crocodiles and birds).

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Longisquama

Longisquama is a genus of extinct reptile.

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Orovenator

Orovenator is an extinct genus of diapsid from Lower Permian (Artinskian stage) deposits of Oklahoma, United States.

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Petrolacosaurus

Petrolacosaurus ("rock lake lizard") is an extinct genus of diapsid reptile from the late Carboniferous period.

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Phylogenetics

In biology, phylogenetics is the study of the evolutionary history and relationships among or within groups of organisms.

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Prolacerta

Prolacerta is a genus of archosauromorph from the lower Triassic of South Africa and Antarctica.

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Protorosauria

Protorosauria is an extinct, likely paraphyletic group of basal archosauromorph reptiles from the latest Middle Permian (Capitanian stage) to the end of the Late Triassic (Rhaetian stage) of Asia, Europe and North America.

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Protorosaurus

Protorosaurus (from πρότερος, 'earlier' and σαῦρος, 'lizard') is an extinct genus of reptile.

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Reptile

Reptiles, as commonly defined, are a group of tetrapods with usually an ectothermic ('cold-blooded') metabolism and amniotic development.

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Rhynchosaur

Rhynchosaurs are a group of extinct herbivorous Triassic archosauromorph reptiles, belonging to the order Rhynchosauria.

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Sauria

Sauria is the clade containing the most recent common ancestor of Archosauria (which includes crocodilians and birds) and Lepidosauria (which includes squamates and the tuatara), and all its descendants.

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Tangasauridae

Tangasauridae is an extinct family of diapsids known from fossil specimens from Madagascar, Kenya and Tanzania that are Late Permian to Early Triassic in age.

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Tanystropheidae

Tanystropheidae is an extinct family of archosauromorph reptiles that lived throughout the Triassic Period, often considered to be "protorosaurs".

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Weigeltisauridae

Weigeltisauridae is a family of gliding neodiapsid reptiles that lived during the Late Permian, between 259.51 and 251.9 million years ago.

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Youngina

Youngina (named after John Young (1823–1900)) is an extinct genus of diapsid reptile from the Late Permian Beaufort Group (Tropidostoma-Dicynodon zones) of the Karoo Red Beds of South Africa.

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Younginidae

Younginidae is an extinct family of diapsid reptiles from the Late Permian and Early Triassic.

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Younginiformes

Younginiformes is a group of diapsid reptiles known from the Permian-Triassic of Africa and Madagascar.

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