Holcodiscus sparsicostatus (Kossmat, 1897) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Kossmaticeratidae genus Kossmaticeras species Kossmaticeras sparsicostatum Name Homonyms Holcodiscus sparsicostatus (Kossmat, 1897)