"Reptiles":[https://en.wikipedia.org/wiki/Reptile][sup](Reptilia)[/sup] are a extant class of cold-blooded "vertebrate":[https://en.m.wikipedia.org/wiki/Vertebrate] animals characterized by fully scaled bodies and is the first class of animal that exclusively use internal lungs for respiration. All reptiles develop their young from shelled eggs that are then layed, through some species of snakes are live-born from the body.
Reptiles descend from the first land dwelling amphibian tetrapoda that developed shelled eggs with fully developed young known as amniotes more than 300 million years ago. - See scalie for fictional and mythological reptile-like species, as well as prehistoric intermediate reptilemorphic species. Contemporary reptile species groups:
- "Reptile taxonomy tree map":[https://cdn.britannica.com/68/113468-004-7450934B.jpg]
- Reptilia
- [...]
- Archelosauria
- Crurotarsi
- Testudine [sub]~ separate as anapsid in some research definitions.[/sub]
- Lepidosauria
- Rhynchocephalia -> tuatara
- Squamata [sup][/sup]
Extinct reptile groups
- Simplified incomplete list.
- Organization of groups subject to change with ongoing research.
- Reptilia
- Anapsid
- Diapsid
- Ichthyosaur
- Sauria
- Archelosauria
- Lepidosauria
- Sauropterygia
- Synapsid [sub]~ 'Mammalia' line excluded as a traditionally separate extant class.[/sub]
Common reptile species
Common reptile features
Major animal classes (or phylums):
- "Taxonomic tree of life":[https://evogeneao.s3.amazonaws.com/images/tree_of_life/tree-of-life_2000.png]
See also:
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- Random background low detail figures that are simply there to liven up empty space. Do not tag with any species.
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