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  2. Evolution of reptiles - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_reptiles

    A = Anapsid, B = Synapsid, C = Diapsid. It was traditionally assumed that first reptiles were anapsids, having a solid skull with holes only for the nose, eyes, spinal cord, etc.; [10] the discoveries of synapsid-like openings in the skull roof of the skulls of several members of Parareptilia, including lanthanosuchoids, millerettids, bolosaurids, some nycteroleterids, some procolophonoids and ...

  3. Reptile - Wikipedia

    en.wikipedia.org/wiki/Reptile

    One of the best known early stem-reptiles is Mesosaurus, a genus from the Early Permian that had returned to water, feeding on fish. A 2021 examination of reptile diversity in the Carboniferous and the Permian suggests a much higher degree of diversity than previously thought, comparable or even exceeding that of synapsids.

  4. Hemipenis - Wikipedia

    en.wikipedia.org/wiki/Hemipenis

    The hemipenis is the intromittent organ of Squamata, [4] which is the second largest order of vertebrates with over 9,000 species distributed around the world. They differ from the intromittent organs of most other amniotes such as mammals, archosaurs and turtles that have a single genital tubercle, as squamates have the paired genitalia remaining separate. [5]

  5. 32 types of reptiles you can keep as a pet - AOL

    www.aol.com/lifestyle/32-types-reptiles-keep-pet...

    Calling all budding herpetologists! These are the best types of reptiles you can keep as a pet

  6. Vertebrate - Wikipedia

    en.wikipedia.org/wiki/Vertebrate

    For instance, descendants of the first reptiles include modern reptiles, mammals and birds; the agnathans have given rise to the jawed vertebrates; the bony fishes have given rise to the land vertebrates; a group of amphibians, the labyrinthodonts, have given rise to the reptiles (traditionally including the mammal-like synapsids), which in ...

  7. Fossil of new reptile species found in Brazil sheds light on ...

    www.aol.com/news/fossil-reptile-species-found...

    SAO JOAO DO POLESINE, Brazil (Reuters) -Scientists in Brazil announced the discovery of one of the world's oldest fossils believed to belong to an ancient reptile dating back some 237 million ...

  8. Snake skeleton - Wikipedia

    en.wikipedia.org/wiki/Snake_skeleton

    The skull of Python reticulatus.. The skull of a snake is a very complex structure, with numerous joints to allow the snake to swallow prey far larger than its head.. The typical snake skull has a solidly ossified braincase, with the separate frontal bones and the united parietal bones extending downward to the basisphenoid, which is large and extends forward into a rostrum extending to the ...

  9. Marine vertebrate - Wikipedia

    en.wikipedia.org/wiki/Marine_vertebrate

    Reptiles (Late Latin for creeping or crawling) do not have an aquatic larval stage, and in this way are unlike amphibians. Most reptiles are oviparous, although several species of squamates are viviparous , as were some extinct aquatic clades [ 25 ] — the fetus develops within the mother, contained in a placenta rather than an eggshell .