Ampharetidae (Annelida: Polychaeta) from cold seeps off Pakistan and hydrothermal vents off Taiwan, with the description of three new species
Author
Reuscher, Michael G.
Author
Fiege, Dieter
text
Zootaxa
2016
4139
2
197
208
journal article
10.11646/zootaxa.4139.2.4
47bbf69d-81b0-4525-b382-c798b608d441
1175-5326
262112
1436B8C8-52BB-495D-8617-0EC8410AADE8
Anobothrus
Levinsen, 1884
Type
species:
Ampharete gracilis
Malmgren, 1866
Sosanides
Hartmann-Schröder, 1965
Anobothrella
Hartman, 1967
Melythasides
Desbruyères, 1978
Generic diagnosis
. Prostomium with middle lobe delimited by incision from surrounding lobe, without glandular ridges. Buccal tentacles smooth or papillose. Three to four pairs of cirriform branchiae, all arising from fused segments II+III. Notochaetae originating from segment II, if present, varying in size from regular notochaetae size to strongly enlarged. Eleven or twelve thoracic uncinigers. One anterior unciniger may have a circular glandular band. Fourth-, fifth-, or sixth-to-last thoracic unciniger with one or more modifications: elevated notopodia, glandular ridge between notopodia, modified notochaetae. Two intermediate segments. Abdominal rudimentary notopodia absent.