Amage tasmanensis (Holthe, 2000)

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

Amage tasmanensis (Holthe, 2000)

Diagnosis.

Length 16-30 mm, width 3-5 mm. Widest at branchial region. Thorax long and cylindrical, not tapering towards abdomen. Abdomen short; half length of thorax tapering towards pygidium. Prostomium without glandular ridges or eyes. Distal part of prostomium with longitudinal folds. Ventral surface of buccal segment with longitudinal folds. Four pairs of branchiae arranged as three middle pairs, almost in a transverse line, and one outer pair behind the outermost of the inner branchiae. Right and left branchial group separated by a space more or less equal to width of one branchia. Large lateral lobes on segment II. No paleae. Third segment with rudimentary notopodia with a few extremely small chaetae. Fourth and fifth segment with small notopodia with a few very short chaetae. Sixth to 16th segment with normal sized notopodia and notochaetae. Fourteen thoracic segments with notochaetae. Thoracic uncini from segment VI. Eleven thoracic uncinigers. Approximately 12 abdominal uncinigers. Abdomen with rudimentary notopodia. Pygidium with a pair of lateral cirri with thick bases and slender tips.

Remarks.

The holotype of Amage tasmanensis was collected from 3830 m in the Tasman Sea. Due to the matching morphology and close proximity of the specimens from this study to the collection location of the holotype, we assign the name Amage tasmanensis .

Records.

29 specimens. Suppl. material 1: ops. 32, 35, 53 (AM).