Pachendoceras brevicameratum Unklesbay & Young, 1956 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Ellesmeroceratidae genus Pachendoceras species Pachendoceras brevicameratum Name Homonyms Pachendoceras brevicameratum Unklesbay & Young, 1956