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protorosaurian

adjective
pro·​to·​ro·​sau·​ri·​an
variants: or proterosaurian \ ¦⸗⸗⸗¦sȯrēən \

Definition of protorosaurian

: of or relating to the Protorosauria

History and Etymology for protorosaurian

New Latin Protorosauria, Proterosauria + English -an

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