Nothria sp. nov. 1

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

Nothria sp. nov. 1 Fig. 16C, D

Diagnosis.

Eyes absent; peristomial cirri present. Chaetiger 1 greatly enlarged; with auricular prechaetal lobes. Branchiae absent. Dorsal cirri absent from ~ chaetiger 30. Bidentate simple and pseudocompound hooks on chaetiger 1; bidentate compound hooks on chaetiger 2 and 3. ‘Scoop-shaped’ pectinate and limbate chaetae from chaetiger 2. Subacicular hooks from chaetiger 11-13. Flattened tube, clear inner layer, covered with pieces of shells and pebbles, elongate fragments placed transversely.

Remarks.

This species was also collected from the GAB reported as Nothria sp. ( MacIntosh et al. 2018: additional file 2).

Records.

3 specimens. Suppl. material 1: ops. 4, 56 (AM).

Figures

Figure 16. Onuphidae A Anchinothria cf. pycnobranchiata (op. 56) B Nothria cf. paxtonae (op. 56) C Nothria sp. nov. 1 (AM W. 49940) D Nothria sp. nov. 1, tube (AM W. 49940) E Nothria sp. nov. 2 (AM W. 49933) F Nothria sp. nov. 3 (AM W. 49934) G Paradiopatra sp. nov. 2 (AM W. 49950). Scale bars: 5 mm (A); 1 mm (B-E, G); 4 mm (F).