Amecephalus laticaudum (Resser, 1939) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Trilobita order Ptychopariida family Alokistocaridae genus Alokistocare species Alokistocare laticaudum Name Homonyms Amecephalus laticaudum (Resser, 1939)