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Parapsida

plural noun
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Pa·​rap·​si·​da | \ pəˈrapsədə \

Definition of Parapsida

in some classifications
: a subclass of reptiles in which the skull has two dorsal temporal openings adjoining the parietals and which includes the ichthyosaurs and related extinct forms and sometimes the lizards and snakes — compare diapsida

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History and Etymology for Parapsida

New Latin, from para- entry 1 + -apsida (from Greek hapsid-, hapsis arch, loop)

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Cite this Entry

“Parapsida.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Parapsida. Accessed 25 January 2020.

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