Opisthoptera alternata Ulrich, 1895 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Myalinida family Myalinidae genus Opisthoptera species Opisthoptera alternata Name Synonyms Opisthoptera extenuata Ulrich, 1895 Opisthoptera obliqua Ulrich, 1895 Homonyms Opisthoptera alternata Ulrich, 1895