Orthacanthus quadriseriatus (Cope, 1877) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Elasmobranchii family Xenacanthidae genus Pleuracanthus species Orthacanthus quadriseriatus Name Synonyms Pleuracanthus quadriseriatus (Cope, 1877) Homonyms Orthacanthus quadriseriatus (Cope, 1877)