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What is an archosaurian?

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Bobo192

Lvl 1
9y ago
Updated: 8/21/2019

An archosaurian is an alternative name for an archosaur, a reptile of the taxon Archosauria, including the extinct dinosaurs, plesiosaurs, pterosaurs and ichthyosaurs, as well as modern crocodiles.

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Related Questions

What does archosaurian mean?

Archosaurian refers to the subclass Archosauria which includes dinosaurs, pterosaurs, crocodiles, and alligators. The term archosaurian usually refers to extinct reptiles.


What is dinarous?

A Dinosaur is an archosaurian reptile.


Does archosaurian include birds?

Yes, birds are considered part of Suborder Theropoda, making them dinosaurs and archosaurs.


What animals live in the Mesozoic?

Animal life was then dominated, by large archosaurian reptiles: dinosaurs, pterosaurs, and aquatic reptiles such as ichthyosaurs, plesiosaurs, and mosasaurs. the first birds and placental mammals also appeared


What kind of anmail was a stegosaurus?

Stegosaurus was a stegosaurid dinosaur. Stegosaurs belong to the clade Thyreophora, which in turn belongs to the order Ornithischia, or bird hipped dinosaurs. Dinosaurs are archosaurian reptiles, and reptiles are a class of vertebrate animals.


How did dinosaurs develop?

Evolution, my dear boy, evolution. Some sort of reptile must have had a child slightly different than it so as to suit the enviorment. At some time the child was a dinosaur. Dinosaurs evolved from archosaurian reptiles.


Are giraffes and long neck dinosaurs related?

No. Dinosaurs are a type of archosaurian reptile. Their only desendants alive today are birds. Giraffe are ungulates or 'hoofed' mammals. They are disendent for the same type of animal as horses and cammels.


What are at least two requirements a dinosaur needs to be classified as a dinosaur?

1. It must be an archosaurian reptile (meaning a reptile with teeth in sockets and an hollow cavity in the upper jaw) with legs that join its body in an upright, not sprawled position (similar to mammalian posture). All known animals that fit this description are dinosaurs.


Are dinosaurs repitles?

Yes. Dinosaurs are a group of archosaurian reptile. (Other archosaurs include crocodiles and possibly the pterosaurs.) When people think of the word reptile they think of cold blooded sprawling creatures like lizards and crocodiles. Many are, but it's generally thought that dinosaurs were more probably warm blooded reptiles. Birds are also a type of theropod dinosaur so technically they to are also reptiles. Birds are warm blooded.


What are some similarities and differences between therapsids and thecodonts?

Therapsids started as a group of reptiles with an erect posture and feet that pointed forwards. Many also had incisors, canines, and molars. Mammals evolved from therapsids, and hence are considered to be a member of the therapsid group. Thecodont was a term used to group certain archosaurian reptiles. However, it has been discovered that these reptiles did not belong to one group, hence the term "thecodont" is dubious. In any case, archosaurs are reptiles including dinosaurs, crocodilians, birds, and others.


What are Crocodile related to?

The closest living relatives of crocodiles are other members of the order Crocodilia, the alligators, gharials and caiman . After that, they are most closely related to their distant archosaurian cousins, the birds, and after that other reptiles such as snakes and lizards (they're probably more distantly related to turtles and their kin, though, as turtles are believed to be anapsids and all of the previously mentioned animals are diapsids). Note that crocodiles are related to quite a large number of now exinct animals, such as the Mesozoic and early Quaternary members of their clade (Crurotarsi), including the Champsosaurs, the herbivorous Aetosaurs, the fully terrestrial Rauisuchians, the marine Thalattosuchians and so on.


Was Australopithecus a biped or quadruped?

The ancestral mode of locomotion of dinosaurs is thought to be bipedalism. This is supported by the fossil finds of early, basal dinosaurs such as Eoraptor, which lived during the Middle Triassic, over 230 million years ago, and which are clearly bipedal. In fact, bipedalism evolved in the archosaurian ancestors of dinosaurs, and dinosaurs simply inherited it, as did their close relatives. Later on, some dinosaurs evolved quadrupedalism, and this happened independently in several lineages of dinosaurs, such as the ceratopsians (i.e. Triceratops) and sauropods (i.e. Apatosaurus). Some were mostly quadrupedal, but could occasionally assume a bipedal posture (it is believed that hadrosaurids were facultatively bipedal while running, for example). Finally, some retained their ancestral bipedalism - this includes the theropods, and their modern descendants, the birds.