Oligobregma 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

Oligobregma sp. nov. 1 Fig. 27D, E

Diagnosis.

The most abundant species in the collections. Similar to Oligobregma mucronata Blake, 2015, from upper slope depths, Antarctica.

Records.

193 specimens. Suppl. material 1: ops. 5, 9, 16, 23, 31, 33, 54, 79, 89, 103, 110 (AM).

Figures

Figure 27. Scalibregmatidae and Siboglinidae. Siboglinidae A Frenulate tube (op. 11) B Osedax sp. nov., preserved female specimen inside tube C Osedax sp. nov., detail of palps of preserved female specimen. Scalibregmatidae D Oligobregma sp. nov. 1 (AM W. 52686) E Oligobregma sp. nov. 1 (AM W. 52698). Scale bars: 2 mm (A, B); 500 µm (C); 1 mm (D, E).