Amphictene Lamarck, 1818

Wong, Eunice & Hutchings, Pat, 2015, New records of Pectinariidae (Polychaeta) from Lizard Island, Great Barrier Reef, Australia and the description of two new species, Zootaxa 4019 (1), pp. 733-744 : 734

Genus Amphictene Lamarck, 1818

Amphictene Lamarck, 1818: 89 .— Fauchald 1977: 120. Pectinaria (Amphictene) .— Holthe, 1986: 22.

Type-species. Amphitrite auricoma Müller, 1776 ; subsequent designation by Hartman (1959).

Diagnosis. (modified after Hutchings & Peart 2002). Rim of cephalic veil with numerous long cirri. Cephalic veil completely free from operculum forming dorsal semi-circle around numerous buccal tentacles. Raised opercular margin cirrate. Chaetigers 1–3 (segments 5–7) with notopodia and notochaetae only, chaetigers 4–16 biramous with notopodia, neuropodia, notochaetae and neurochaetae, chaetiger 17 with notopodia and notochaetae only (ratio of number of pairs of notopodia to neuropodia 17/13). Notochaetae with hirsute surfaces or with serrated margins. Neurochaetal uncini with major teeth arranged in 2–6 rows. Posterior 5 segments fused to form flattened plate or scaphe distinctly separate from the abdomen.

Remarks. Thirteen species of Amphictene have been described to date. An additional species is described in this paper.