• Quaternary of Indian Ocean (17 collections), South Pacific (14)

• Pliocene to Pleistocene of Indian Ocean (1)

• Pliocene of Indian Ocean (2)

• Miocene of Indian Ocean (19), Slovenia (1), South Pacific (4)

• Oligocene of South Pacific (4)

• H. alabamensis HOZ of South Pacific (1)

• Eocene of Indian Ocean (4), North Atlantic (51), North Pacific (7), South Pacific (54)

• Paleocene to Eocene of North Atlantic (4), South Pacific (4)

• Paleocene of Argentina (9), Indian Ocean (7), North Atlantic (41), South Atlantic (1), South Pacific (31), Tanzania (1), United States (3: Alabama, South Carolina)

• Cretaceous to Paleogene of North Atlantic (6), South Pacific (3)

• Cretaceous of Argentina (3), Indian Ocean (2), South Pacific (1)

Total: 295 collections including 533 occurrences