Hyalopomatus sp. nov. 2 Fig. 28F

Diagnosis.

White smooth tubes completely attached to substrate, without external sculpture, except for several indistinct transverse ridges. Nearly globular, only slightly elongated semi-transparent, undifferentiated operculum. Peduncle of the same width as radioles, smooth, without distinct constriction. Thoracic membranes with rounded edges ending right after chaetiger 2. Collar trilobed, ventral lobe larger than lateral ones, covering radiolar lobes and half of radioles. Five thoracic chaetigers plus collar chaetae bundle including special fin-and-blade chaetae. Uncini rasp-shaped with very characteristic for the genus anterior peg made of two (thoracic) or three or four (abdominal) rounded lobes with shallow incision(s) in between. Apomatus chaetae absent. Abdominal chaetae unknown.

Records.

1 specimen. Suppl. material 1: op. 100 (AM).