Deep-sea (> 1000 m) Goniasteridae (Valvatida; Asteroidea) from the North Pacific, including an overview of Sibogaster, Bathyceramaster n. gen. and three new species Author Mah, Christopher L. text Zootaxa 2016 4175 2 101 141 journal article 10.11646/zootaxa.4175.2.1 d7cbc23a-7a4c-4616-83fd-059fb458f7b6 1175-5326 257286 B264C215-000D-42C5-8AC9-B801872CD182 Litonotaster Verrill, 1899 Verrill 1899 : 171; Fisher 1911 : 165; Halpern 1969 : 129; 1970: 252; 1970: 144; Downey 1973 : 55; Clark and Downey 1992 : 249; A.M. Clark 1993 : 261 (checklist). (as Litonotaster ) Comments. This genus is represented by two similar species, L. africanus and L. intermedius , collected from lower bathyal/abyssal settings in the tropical Atlantic with Litonotaster tumidus in the east Pacific. Halpern (1969) outlined distinctions between species in Litonotaster , with L. rotundigranulum later being synonymized by Clark and Downey (1992) .