A revision of the stylasteridae (cnidaria, hydrozoa, filifera) from alaska and adjacent waters.

摘要: The stylasterid fauna of Alaska is revised, consisting the description or redescription and illustration 21 species, one additional subspecies, a geographically adjacent species: Stylaster venustus. Six new species subspecies are described: Errinopora fisheri, undulata, disticha, dichotoma, crassiseptum, repandus, parageus columbiensis. Four raised to rank: leptostylus, trachystomus, parageus, Distichopora japonica, five were synonymized. A dichotomous key tabular keys Alaskan provided. focus study was on stylasterids from Alaska, primarily those diverse Aleutian Islands, but also including records British Columbia. This first revisionary work this since seminal report by Fisher in 1938.