Ac·​i·​das·​pis | \ ˌa-sə-ˈda-spəs\

Definition of Acidaspis

: a genus of trilobites mostly with long spines found in the Ordovician, Silurian, and Devonian

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First Known Use of Acidaspis

1843, in the meaning defined above

History and Etymology for Acidaspis

New Latin, from Greek akid-, akis + New Latin -aspis

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The first known use of Acidaspis was in 1843

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What made you want to look up Acidaspis? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

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