Definition of Diapsida
in some classifications
: a subclass of reptiles having two pairs of temporal openings in the skull and including the extinct dinosaurs and pterosaurs, the crocodiles and rhynchocephalians, and usually the lizards and snakes — compare parapsida
diapsidan\(ˈ)dī¦apsədən\ adjective or noun
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Origin and Etymology of diapsida
New Latin, from di- + -apsida (from Greek hapsid-, hapsis arch, loop) — more at apsis
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