Taxonomy of high-latitude Goniasteridae (Subantarctic & Antarctic): one new genus, and three new species with an overview and key to taxa Author Mah, Christopher L. text Zootaxa 2011 2759 1 48 journal article 10.5281/zenodo.276783 cbd0de37-eabb-43d6-bae2-ff7fe53daac6 1175-5326 276783 Pillsburiaster Halpern, 1970 Halpern, 1970a : 2; McKnight, 1973 : 180; Downey in Clark & Downey, 1992 : 258; McKnight, 2001 : 102 (key). Diagnosis. Body pentagonal in most species, weakly stellate in some. Abactinal plates weakly tabulate. Abactinal surface densely covered by coarse, hemispherical granules obscuring plate boundaries. Comments. Pillsburiaster was initially described from the tropical Atlantic but the majority of species occur in the South Pacific/Indo-Pacific region.