Melinnopsis gardelli Gunton, Kupriyanova & Alvestad, 2020

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

Melinnopsis gardelli Gunton, Kupriyanova & Alvestad, 2020 Fig. 4F

Diagnosis.

Neurochaetae small acicular spines with lanceolate tips on segment II-V. Neuropodial uncini from chaetiger 5 (segment VI), present in 12 thoracic uncinigers. Postbranchial dorsal membrane low inconspicuous, located on chaetiger 4. Branchiae emerging together on dorsal branchial ridge at level of segments II-III, arranged in two basally fused groups of four. Conspicuous stained band immediately behind dorsal fold ending between chaetigers 9 and 10. Uncini of thoracic uncinigers with three teeth in one vertical row over rostral tooth, subrostral process and basal prow.

Remarks.

Type locality is eastern Australia at 2520-2821 m. For detailed description see Melinnopsis gardelli Gunton et al. (2020).

Records.

62 specimens. Suppl. material 1: ops. 4, 22, 44, 54, 56, 90, 101, 122 (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).