Synaptosauria

plural noun

Syn·​ap·​to·​sau·​ria

sə̇ˌnaptəˈsȯrēə

: a subclass of Reptilia comprising Permian and Mesozoic typically aquatic or amphibious reptiles with temporal openings high on the roof of the skull and including the orders Protorosauria and Sauropterygia

synaptosaurian

⸗¦⸗⸗¦⸗rēən

adjective

Word History

Etymology

New Latin, from Greek synaptos + New Latin -sauria

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