protorosaur

noun pro·to·ro·saur \ˈprōtərəˌsȯ(ə)r\
variants: or

protorosaurian

less commonly

proterosaur

Definition of protorosaur

plural

-s

  1. :  a reptile or fossil of the order Protorosauria

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Origin and Etymology of protorosaur

New Latin Protorosauria


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a rounded knoll or a ridge of ice

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