plural noun Pro·to·blat·toi·dea

Definition of Protoblattoidea

  1. :  a polyphyletic group of extinct families of insects related to the Blattaria and Protorthoptera, known only from the Upper Carboniferous and Permian, and formerly regarded as an order

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Origin and Etymology of protoblattoidea

New Latin, from prot- + Blatta + -oidea

Seen and Heard

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a rounded knoll or a ridge of ice

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