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Protorosauria

plural noun
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Pro·​to·​ro·​sau·​ria

Definition of Protorosauria

: an order of Synaptosauria comprising rather small Permian and Triassic reptiles — see protorosaurus

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History and Etymology for Protorosauria

New Latin, from Protorosaurus + -ia

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“Protorosauria.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Protorosauria. Accessed 26 Oct. 2020.

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