Geminofilum sp. 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

Geminofilum sp. 1

Diagnosis.

Body short (1.5 mm), sub-cylindrical, strongly converse dorsally (sub-circular in cross section), with a dark purple-brown pigment in preserved specimen, and whitish macrotubercles. Head invaginated, appendices not observed. Macrotubercles sessile, hemispherical, arranged in two transverse rows per segment, with eight and nine tubercles each. Additional dorsal epithelial papillae absent. Scarce ventral papillae in mid-body segments, but not clearly observed. Parapodia with cylindrical ventral cirri, reaching the tip of acicular lobe. One spherical parapodial papillae, at the base of parapodia (?). All chaetae compound (five or six per parapodium), with blades 4-5 × as long as wide in mid-body segments.

Remarks.

This is a possible new species, but material is too damaged to confirm.

Records.

1 specimen. Suppl. material 1: op. 45 (AM).