plural noun
Pro·​to·​hymenoptera | \"+\

Definition of Protohymenoptera 

in some classifications

: an order of extinct insects known only from the Permian and now usually included in the order Megasecoptera

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Other Words from Protohymenoptera

protohymenopteran \ "+ \ adjective or noun
protohymenopteron \ "+ \ noun
protohymenopterous \ "+ \ adjective

History and Etymology for Protohymenoptera

New Latin, from prot- + Hymenoptera

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