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Knight-Jones, Phyllis. (1983). Contributions to the taxonomy of Sabellidae (Polychaeta. Zoological Journal of the Linnean Society, London. 79: 245-295.
50652
10.1111/j.1096-3642.1983.tb01167.x [view]
Knight-Jones, Phyllis
1983
Contributions to the taxonomy of Sabellidae (Polychaeta
Zoological Journal of the Linnean Society, London
79: 245-295
Publication
World Polychaeta Database (WPolyDb)
Available for editors  PDF available
The genus Potamilla Malmgren is particularly characterized by dorsal lips which lack any radiolar midrib; Pseudopotamilla Bush by compound radiolar eyes, dorsal collar lappets and flanges alongside the bases of the most dorsal radioles; Demonax Kinberg by a wide dorsal collar gap and companion setae with big heads and narrow blades; and Potamethus Chamberlin by an elongated first segment, enlarged ventral sacs, very long shafts to the thoracic uncini, and inferior abdominal setae much shorter than the superior ones. Perkinsiana gen. nov. lacks most of these characters, but the type species ‘Potamilla’ rubra Langerhans is remarkable in having red blood. It bores into limestone abundantly off S Wales and is here redescribed. Oriopsis hynensis sp. nov. from SW Ireland has a smooth collar set low on the first segment, with its ventral margin entire and free from the apex of the peristome. The new name Demonax langerhansi is proposed for Sabella (Potamilla) incerta Langerhans non Demonax incertus Kinberg.
Systematics, Taxonomy
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