Macroceramus

Recognized by NMNH Invertebrate Zoology

Genus recognized by GBIF classification

Homotypic synonym according to GBIF classification (Originally found in sources as accepted taxon within Liocallonia Pilsbry, 1902)

Doubtful according to GBIF classification (Possible variant of Macroceramus arangoi Pfr.)

Doubtful according to GBIF classification

Harvest ancestor according to GBIF classification and NMNH type specimens