-ˈsefələ noun plural
Usage: capitalized
Etymology: New Latin, from phaner- + -cephala
in some classifications : a division of Polychaeta distinguished by the well-developed prostomium corresponding to Errantia together with many Sedentaria
• phan·er·o·ceph·a·lous | ̷ ̷ ̷ ̷ ̷ ̷|sefələs adjective