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Acidaspis

noun
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

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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