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Parapsida

plural noun 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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Origin and Etymology of parapsida

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

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