AMPHIDURINI, Pleijel & Rouse & Sundkvist & Nygren, 2012

Pleijel, Fredrik, Rouse, Greg W., Sundkvist, Tobias & Nygren, Arne, 2012, A partial revision of Gyptis (Gyptini, Ophiodrominae, Hesionidae, Aciculata, Annelida), with descriptions of a new tribe, a new genus and five new species, Zoological Journal of the Linnean Society (Zool. J. Linn. Soc.) 165 (3), pp. 471-494 : 475

AMPHIDURINI NEW TRIBE

Description: Median antenna dorsally inserted, terminal ring of proboscis papillae present or absent, lip pads absent or present, enlarged dorsal cirri on segment 1–5, enlarged ventral cirri and cirrophores on segment 1–3 or 1–4, neurochaetae from segment 4 or 5, notochaetae from segment 5 or 6, notochaetae and notopodial lobes well developed, dorsal ridges absent or present, elevated dorsal cirri on segment 5, 8, 10, 12, 15, 17, 19, 21, and 23, distally inserted ventral cirri, and pygidial papilla absent.

Remarks: Amphidurini , new tribe, includes Amphiduros Hartman, 1959 , Amphiduropsis Pleijel, 2001 , and Neogyptis gen. nov. Parahesione Pettibone, 1956 , may or may not be a member of Amphidurini ; it shares the distally inserted ventral cirri but lacks a median antenna.