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Asaphus

noun
As·​a·​phus | \ˈasəfəs\

Definition of Asaphus 

: a genus of trilobites occurring abundantly in the Ordovician of northern Europe and having subequal cephala and pygidia

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History and Etymology for Asaphus

New Latin, irregular from Greek asaphēs indistinct, dim, from a- a- entry 2 + saphēs distinct, clear

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