Coelaster americanus (d'Orbigny, 1850) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Asteroidea order Euaxosida family Palasterinidae genus Petraster species Coelaster americanus Name Synonyms Asterias anthonii Dana, 1863 Palaeaster jamesi (Dana, 1863) Palasterina jamesi (Dana, 1863) Petraster americanus (d'Orbigny, 1850) Homonyms Coelaster americanus (d'Orbigny, 1850)