Hemitetragonites crebrisulcatus (Uhlig, 1883) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Cephalopoda family Lytoceratidae genus Protetragonites species Protetragonites crebrisulcatus Name Homonyms Hemitetragonites crebrisulcatus (Uhlig, 1883)