Gastropoda - Neogastropoda - Buccinidae
Alternative spelling: Eocantharus
Parent taxon: Cantharus according to B. L. Clark and J. W. Durham 1946
Sister taxa: Cantharus (Calicantharus), Cantharus (Cantharus), Cantharus (Endopachychilus), Cantharus (Pollia), Cantharus (Zeapollia), Cantharus andoi, Cantharus brongniartianus, Cantharus bucklandi, Cantharus cowlitzensis, Cantharus erythrostoma, Cantharus lugubris, Cantharus luliana, Cantharus martiniana, Cantharus occidentalis, Cantharus perrini, Cantharus polygona, Cantharus sanguinolentus, Cantharus tranquebaricus, Cantharus varicosus, Cantharus variegatus, Tritonidea (Cantharus) speciosa
Subtaxa: Cantharus (Eocantharus) colombiana Cantharus (Eocantharus) cowlitzensis Cantharus (Eocantharus) morrisii
Ecology: epifaunal carnivore
Distribution:
• Eocene of Colombia (1 collection), the United Kingdom (7), United States (2: California, Washington)
• Paleocene of Belgium (1), Poland (1)
Total: 12 collections including 15 occurrences