protorosaur

noun

pro·​to·​ro·​saur

ˈprōtərəˌsȯ(ə)r

variants or protorosaurian

ˌ⸗⸗⸗ˈsȯrēən

or less commonly proterosaur

ˈ⸗⸗⸗ˌsȯ(ə)r

plural -s

: a reptile or fossil of the order Protorosauria

Word History

Etymology

New Latin Protorosauria

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