Abstract
Thrausmatos dieteri new genus, new species, is described from hydrothermal vents from the North Fiji Back Arc Basin and from a cold seep, Lihir Island Fore Arc Basin, New Ireland, Papua New Guinea. Thrausmatos n. gen. is characterized by a small quadrate prostomium, anteriorly inserted median antenna, palps that are distally retractile, a single, paleate, ornate, notosetal fan with median fascicle absent and long, s lender dorsal cirri. Neuropodia on all specimens possess long, falcigerous neurosetae with minute bifid tips and also a small distinct fascicle of highly serrate spinigers, that are probably epitokous in function, and prominent ventral glandular pads.
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