Alomasoma 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

Alomasoma sp. nov. 1 Fig. 33A-C

Diagnosis.

Specimen 56 mm in length, body cylindrical, with trace of proboscis, body wall thin (Fig. 33A ); ventral chaetae absent; two nephridia with separate pores, nephrostome basally, globular, without stalk, not bifid (Fig. 33B ); anal vesicles broom-like (Fig. 33C ).

Records.

1 specimen. Suppl. material 1: op. 99 (AM).

Figures

Figure 33. Echiura Alomasoma sp. nov. 1 (AM W. 49662) A whole animal B nephridia C anal vesicles. Alomasoma sp. nov. 2 (AM W. 49662) D whole animal E nephridia F anal vesicles. Maxmuelleria sp. nov. (AM W. 49668) G whole animal H close-up of anterior part I right nephridium J anal vesicles. Abbreviations: AV, anal vesicles; Ne, nephridium. Scale bars: 10 mm (A, D, G); 2 mm (B, C, E, F, H, I); 1 mm (J).