Diapsid
| Sauropsid | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Scientific classification | ||||||||||||||||
| ||||||||||||||||
| Classes | ||||||||||||||||
|
Ichthyoptergia Sauropterygia Lepidosauria Archosauria |
Diapsids are a subgroup of the tetrapods (greek: four-legged animals). They are named after the two openings in their skull. Cf. Synapsid (one opening)
External link
http://www.ucmp.berkeley.edu/vertebrates/tetrapods/tetraintro.html