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Cryptocephala

plural noun
Cryp·​to·​ceph·​a·​la | \ -ˈsefələ\

Definition of Cryptocephala

in some classifications
: a primary division of Polychaeta in which the peristomium is greatly developed and the prostomium is reduced — compare phanerocephala

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History and Etymology for Cryptocephala

New Latin, from crypt- + -cephala

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