Macellicephalinae indet., 1983

Gunton, Laetitia M., Kupriyanova, Elena K., Alvestad, Tom, Avery, Lynda, Blake, James A., Biriukova, Olga, Boeggemann, Markus, Borisova, Polina, Budaeva, Nataliya, Burghardt, Ingo, Capa, Maria, Georgieva, Magdalena N., Glasby, Christopher J., Hsueh, Pan-Wen, Hutchings, Pat, Jimi, Naoto, Kongsrud, Jon A., Langeneck, Joachim, Meissner, Karin, Murray, Anna, Nikolic, Mark, Paxton, Hannelore, Ramos, Dino, Schulze, Anja, Sobczyk, Robert, Watson, Charlotte, Wiklund, Helena, Wilson, Robin S., Zhadan, Anna & Zhang, Jinghuai, 2021, Annelids of the eastern Australian abyss collected by the 2017 RV ' Investigator' voyage, ZooKeys 1020, pp. 1-198 : 1

Macellicephalinae indet.

Diagnosis.

Small specimens from 3-8 mm in length, with 12-23 segments, and 6-11 pairs of elytrophores. Most somewhat damaged, thus difficult to identify. Possibly seven morphologically different species. Median antenna present or absent, lateral antennae absent, frontal filaments present or absent, facial tubercle absent or present, palps long or short (one specimen with thick, leaf-shaped palps), tentaculophores achaetous. Parapodia with subequal noto- and neuropodial lobes, or notopodial lobes reduced; notochaetae missing, present or absent, neurochaetae either similar thickness to, more robust than, or thinner than, notochaetae; most neurochaetae distally flattened, concave with rows of serrations along both sides. Dorsal tubercles large, or indistinct. Jaws present; pharynx with terminal papillae. Branchial and reproductive structures absent. Ventral keel absent.

Remarks.

Numerous specimens were from Brenke sledge samples, most damaged. Approximately seven species are present.

Records.

30 specimens. Suppl. material 1: ops. 16, 23, 31, 33, 40, 54, 79, 87, 89, 96, 110, 134 (AM).