colonies erect and sturdy, 5-12 cm, pinnate, monosiphonic, colour of living colonies amber to honey. Stem slightly ... [details]
Widely recorded on both sides of the North Atlantic Ocean from the arctic region to Madeira, all Arctic Oceans, in ... [details]
Vancouver Island, Bering Sea, Sea of Okhotsk, Chukchi Sea, East Siberian Sea, Laptev Sea, Kara Sea, White Sea, ... [details]
Often regarded as conspecific with Halecium sessile Normann, 1867 [details]
Due to absence of gonotheace in the type material the species it is indeterminable [details]
May be conspecific with Thuiaria arctica (Bonnevie, 1899) [details]
As the genus Clava is a member of the Hydractiniidae, Clavidae becomes a senior synonym of Hydractiniidae. A case ... [details]
61.53°N 11.60°W, 1358 m and 60.62°N 27.87°W, 1504 m (Broch 1918) [details]
Eastern Greenland, sound between Renskaer and Maroussia, 50-100 m, hard bottom [details]
Bredefjord, West Greenland, 365 m. [details]
62.27°N 6.10°W, 110 m and 64.28°N 14.73W, 450 m [details]
Ostende [details]