Amphicteis, Gunton & Kupriyanova & Alvestad & Avery & Blake & Biriukova & Böggemann & Borisova & Budaeva & Burghardt & Capa & Georgieva & Glasby & Hsueh & Hutchings & Jimi & Kongsrud & Langeneck & Meißner & Murray & Nikolic & Paxton & Ramos & Schulze & Sobczyk & Watson & Wiklund & Wilson & Zhadan & Zhang, 2021

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

Amphicteis sp. nov. Fig. 4E

Diagnosis.

Length 20-30 mm, 3 mm at widest section. Paired longitudinal glandular ridges curving slightly sidewise anteriorly. Paired transverse nuchal ridges separated by median gap, ridges at right angle to each other. Buccal tentacles and branchiae missing on both specimens. Chaetae on segment II modified to golden paleae extending past prostomium. Seventeen thoracic chaetigers including paleae, 15 abdominal chaetigers including pygidium. Anal cirri absent.

Records.

2 specimens. Suppl. material 1: ops. 67, 78 (AM).

Figures

Figure 4. Ampharetidae and Melinnidae. Ampharetidae A Amage sp. nov. 1 B Anobothrus sp. nov. 1, anterior end methyl blue staining C Anobothrus sp. nov. 2 anterior end methyl blue staining. Melinnidae D Melinna cf. armandi and tube (AM W. 50354), d dorsal hook. Ampharetidae E Amphicteis sp. (AM W. 50429). Melinnidae F Melinnopsis gardelli anterior dorsal view (AM W. 50735) G Melinnopsis sp. nov., lateral view (AM W. 50397). Scale bars: 2 mm (A); 1 mm (B, C); 2.5 mm (D); 1 cm (E, G); 1 mm (F).