plural noun
Phan·​er·​o·​ceph·​a·​la | \-ˈsefələ\

Definition of Phanerocephala 

in some classifications

: a division of Polychaeta distinguished by the well-developed prostomium corresponding to Errantia together with many Sedentaria

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Other Words from Phanerocephala

phanerocephalous \ ¦⸗⸗⸗¦sefələs \ adjective

History and Etymology for Phanerocephala

New Latin, from phaner- + -cephala

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full of whispering sounds

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