8 relations: Anapsid, Diapsid, Ichthyosaur, Orbit (anatomy), Polyphyly, Reptile, Sauropterygia, Synapsid.
Anapsid
An anapsid is an amniote whose skull does not have openings near the temples.
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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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Ichthyosaur
Ichthyosaurs (Greek for "fish lizard" – ιχθυς or ichthys meaning "fish" and σαυρος or sauros meaning "lizard") are large marine reptiles.
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Orbit (anatomy)
In anatomy, the orbit is the cavity or socket of the skull in which the eye and its appendages are situated.
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Polyphyly
A polyphyletic group is a set of organisms, or other evolving elements, that have been grouped together but do not share an immediate common ancestor.
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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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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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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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Redirects here:
Enalio-Saurians, Enaliosaur, Enaliosauria, Euryapsid, Euryapsids, Parapsid, Parapsida.