Achelia assimilis Achelia lagena Achelia parvula Achelia sawayai Agaue corollata Ammothea longispina Ammothea spinosa Ammothea tetrapora Anoplodactylus amoybius Anoplodactylus petiolatus Anoplodactylus stictus Anoplodactylus vemae Austrodecus calcaricauda Austrodecus curtipes Austrodecus glaciale Austrodecus pushkini Austrodecus tristanense Bathyhalacarus acutus Bathypallenopsis longirostris Callipallene margarita Cilunculus acanthus Cilunculus cactoides Colossendeis angusta Colossendeis colossea Colossendeis drakei Colossendeis fragilis Colossendeis gracilis Colossendeis insolitus Colossendeis leptorhynchus Colossendeis macerrima Colossendeis megalonyx Colossendeis minuta Colossendeis scoresbii Colossendeis tenuipedis Colossendeis tortipalpis Dromedopycnon acanthus Endeis spinosa Halacarus longior Nymphon adareanum Nymphon arcuatum Nymphon dentiferum Nymphon discorsicoxae Nymphon forticulum Nymphon hadale Nymphon inaequipes Nymphon inerme Nymphon longicoxa Nymphon multidens Nymphon paucidens Nymphon procerum Nymphon residuum Nymphon sandersi Nymphon subtile Nymphon walvisense Pantopipetta angusta Pantopipetta lata Pantopipetta longituberculata Pentanymphon antarcticum Pycnogonum magellanicum Pycnogonum platylophum Pycnogonum sivertseni Rhynchothorax australis Tanystylum brevipes Tanystylum neorhetum Tanystylum oedinotum Tanystylum orbiculare Tanystylum styligerum Werthella atlantica