Eureptilia

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iTrue Reptiles
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida (unranked) Eureptilia Olson, 1947
Groups
Captorhinidae Romeriida Protorothyrididae Diapsida

Eureptilia ("true reptiles") is one of the two major clades of the Sauropsida, the other being Anapsida or Parareptilia. The Eureptilia include not only all Diapsids, but also a number of primitive Permo-Carboniferous forms previously classified under the Anapsida, in the old (no longer recognised) order "Cotylosauria".

Primitive Eureptilians were all small to smallish, superficially lizard-like forms, that no doubt scurried through the Paleozoic undergrowth in search of insects.

The Diapsids are the only eureptilian clade to continue beyond the Permian Period.

The clade is defined by the skull having greatly reduced supraoccipital, tabular, and supratemporal bones that are no longer in contact with the postorbital.

[edit] Taxonomy

• Class Sauropsida
  • Subclass Anapsida
  • (unranked) EUREPTILIA
    • Family Captorhinidae
    • (unranked) Romeriida
      • Family Protorothyrididae
    • Subclass Diapsida
      • Infraclass Lepidosauromorpha
      • Infraclass Archosauromorpha

[edit] External links

• Eureptilia examples of some Permian species
• Eureptilia