PsilasterPsilaster is a genus of sea stars of the family Astropectinidae.SpeciesThe World Register of Marine Species lists the following species in the genus: -Psilaster acuminatus Sladen, 1889Psilaster agassizi Psilaster andromeda Psilaster armatus Ludwig, 1905Psilaster attenuatus Fisher, 1906Psilaster cassiope Sladen, 1889Psilaster charcoti Psilaster florae Psilaster gotoi Fisher, 1913Psilaster herwigi Psilaster pectinatus Psilaster robustus Fisher, 1913Psilaster sladeni Ludwig, 1905