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Archosaurs

Arthur Dayne

@arthurdayne

Archosauria is a clade of archosaurs, a crown group including the common ancestors of dinosaurs, birds and crocodiles. A distinguishing feature of archosaurs, separate from other reptiles of the early Triassic, is socketed teeth.

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Arthur Dayne

@arthurdayne

Archosauria is a clade of archosaurs, a crown group including the common ancestors of dinosaurs, birds and crocodiles. A distinguishing feature of archosaurs, separate from other reptiles of the early Triassic, is socketed teeth.

Archosaur - Wikipedia, the free encyclopedia

Archosaurs are a group of diapsid amniotes whose living representatives consist of birds and crocodilians. This group also includes all extinct dinosaurs, extinct crocodilian relatives, and pterosaurs. Archosauria, the archosaur clade, is a crown group that includes the most recent common ancestor of living birds and crocodilians.
https://en.wikipedia.org/wiki/Archosaur
Ornithosuchidae - Wikipedia, the free encyclopedia

Ornithosuchidae is an extinct family of reptiles from the Triassic period that were distantly related to crocodilians. They are classified as crurotarsan archosaurs.
https://en.wikipedia.org/wiki/Ornithosuchidae
Pseudosuchia - Wikipedia, the free encyclopedia

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").
https://en.wikipedia.org/wiki/Pseudosuchia
A Complete, A to Z List of Archosaurs, Therapsids, and Other Prehistoric Reptiles

Profiles of the prehistoric reptiles--including archosaurs, pelycosaurs, therapsids, crocodiles, snakes and turtles--that preceded or lived alongside the dinosaurs.
http://dinosaurs.about.com/od/predinosaurreptiles/
Archosaur Facts for Kids - KidzSearch

Archosaurs are a large group of reptiles, including all crocodiles, birds, dinosaurs, and pterosaurs (flying reptiles). There are also a number of smaller extinct groups, mostly from the Triassic period.
http://www.kidzsearch.com/wiki/Archosaur
When Archosaurs Attacked and Reptiles Ruled Texas

Earthwatch volunteers in Texas joined paleontologists to excavate a remarkable collection of Cretaceous fossils, including remains of dinosaurs and sea life.
http://earthwatch.org/expeditions/when-archosaurs-attacked-and-reptiles-ruled-texas
Hot News From Planet Archosaur - Scientific American Blog Network

Fossil hominins, weird extinct lizards and archaic turtles are all very nice but, let's be honest: when we talk about fossil tetrapods, the things we talk about the most are archosaurs... dinosaurs and their ilk in particular.
http://blogs.scientificamerican.com/tetrapod-zoology/hot-news-from-planet-archosaur/
Archosaur - The Free Dictionary

Any of various vertebrates of the group Archosauria, having a single opening in each side of the skull in front of the eye socket, and including the dinosaurs, birds, pterosaurs, and modern crocodilians.
http://www.thefreedictionary.com/Archosaurs
Before the Dinosaurs - Pelycosaurs, Archosaurs and Therapsids - About

Dinosaurs weren't the first four-legged reptiles to prosper on land. The Carboniferous and Permian periods witnessed a large variety of "primitive" terrestrial reptiles, the pelycosaurs, archosaurs and therapsids, many of which had surprisingly advanced features.
http://dinosaurs.about.com/od/otherprehistoriclife/a/beforedinos_2.htm
Archosaur - Reptile Subclass - Britannica

ArchosaurÂ (subclassÂ Archosauria),Â any of various reptiles, including all crocodiles and birds and all descendants of their most recent common ancestor.
http://www.britannica.com/animal/archosaur

Comments

Archosaurs

Temporal range:
Early Triassic– Present, 248–0 Ma^[1]

PreꞒ

Ꞓ

Birds and crocodilians (in this case, a great egret and a mugger crocodile) are the only living archosaur groups.

Scientific classification

Domain:

Kingdom:

Phylum:

Class:

Clade:

Clade:

Clade:

Clade:

Archosauria
Cope, 1869

Subgroups

Avemetatarsalia
(birds and their extinct relatives)
Pseudosuchia
(crocodilians and their extinct relatives)

Archosaurs of uncertain affinity
†Albisaurus †Avalonianus †Avipes †Incertovenator? †Jushatyria †Palaeosaurus †Picrodon †Protecovasaurus? †Sikannisuchus †Smok †Zanclodon †Phytosauria?(paraphyletic?)^[2]

Synonyms

Avesuchia Benton, 1999

Source : Wikipedia under CC-BY-SA license

Links
Media

Archosaur - Wikipedia, the free encyclopedia

Archosaurs are a group of diapsid amniotes whose living representatives consist of birds and crocodilians. This group also includes all extinct dinosaurs, extinct crocodilian relatives, and pterosaurs. Archosauria, the archosaur clade, is a crown group that includes the most recent common ancestor of living birds and crocodilians.
https://en.wikipedia.org/wiki/Archosaur
Ornithosuchidae - Wikipedia, the free encyclopedia

Ornithosuchidae is an extinct family of reptiles from the Triassic period that were distantly related to crocodilians. They are classified as crurotarsan archosaurs.
https://en.wikipedia.org/wiki/Ornithosuchidae
Pseudosuchia - Wikipedia, the free encyclopedia

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").
https://en.wikipedia.org/wiki/Pseudosuchia
A Complete, A to Z List of Archosaurs, Therapsids, and Other Prehistoric Reptiles

Profiles of the prehistoric reptiles--including archosaurs, pelycosaurs, therapsids, crocodiles, snakes and turtles--that preceded or lived alongside the dinosaurs.
http://dinosaurs.about.com/od/predinosaurreptiles/
Archosaur Facts for Kids - KidzSearch

Archosaurs are a large group of reptiles, including all crocodiles, birds, dinosaurs, and pterosaurs (flying reptiles). There are also a number of smaller extinct groups, mostly from the Triassic period.
http://www.kidzsearch.com/wiki/Archosaur
When Archosaurs Attacked and Reptiles Ruled Texas

Earthwatch volunteers in Texas joined paleontologists to excavate a remarkable collection of Cretaceous fossils, including remains of dinosaurs and sea life.
http://earthwatch.org/expeditions/when-archosaurs-attacked-and-reptiles-ruled-texas
Hot News From Planet Archosaur - Scientific American Blog Network

Fossil hominins, weird extinct lizards and archaic turtles are all very nice but, let's be honest: when we talk about fossil tetrapods, the things we talk about the most are archosaurs... dinosaurs and their ilk in particular.
http://blogs.scientificamerican.com/tetrapod-zoology/hot-news-from-planet-archosaur/
Archosaur - The Free Dictionary

Any of various vertebrates of the group Archosauria, having a single opening in each side of the skull in front of the eye socket, and including the dinosaurs, birds, pterosaurs, and modern crocodilians.
http://www.thefreedictionary.com/Archosaurs
Before the Dinosaurs - Pelycosaurs, Archosaurs and Therapsids - About

Dinosaurs weren't the first four-legged reptiles to prosper on land. The Carboniferous and Permian periods witnessed a large variety of "primitive" terrestrial reptiles, the pelycosaurs, archosaurs and therapsids, many of which had surprisingly advanced features.
http://dinosaurs.about.com/od/otherprehistoriclife/a/beforedinos_2.htm
Archosaur - Reptile Subclass - Britannica

ArchosaurÂ (subclassÂ Archosauria),Â any of various reptiles, including all crocodiles and birds and all descendants of their most recent common ancestor.
http://www.britannica.com/animal/archosaur

Archosaurs

Temporal range:
Early Triassic– Present, 248–0 Ma^[1]

PreꞒ

Ꞓ

Birds and crocodilians (in this case, a great egret and a mugger crocodile) are the only living archosaur groups.

Scientific classification

Domain:

Kingdom:

Phylum:

Class:

Clade:

Clade:

Clade:

Clade:

Archosauria
Cope, 1869

Subgroups

Avemetatarsalia
(birds and their extinct relatives)
Pseudosuchia
(crocodilians and their extinct relatives)

Archosaurs of uncertain affinity
†Albisaurus †Avalonianus †Avipes †Incertovenator? †Jushatyria †Palaeosaurus †Picrodon †Protecovasaurus? †Sikannisuchus †Smok †Zanclodon †Phytosauria?(paraphyletic?)^[2]

Synonyms

Avesuchia Benton, 1999

Source : Wikipedia under CC-BY-SA license

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Archosaurs

Archosauria is a clade of archosaurs, a crown group including the common ancestors of dinosaurs, birds and crocodiles. A distinguishing feature of archosaurs, separate from other reptiles of the early Triassic, is socketed teeth.

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