Ammotium cassis
(Parker, 1870)
identified by M. Hesemann   
Quaternary
off Spitsbergen

Ammotium directum
(Cushman & Brönnimann, 1948)
identified by scientist   
Quaternary
Andaman Sea and Malacca St.

Ammotium fragile
Warren, 1957
identified by scientist   
Quaternary
Andaman Sea and Malacca St.

Ammotium leruensis
Gebhardt, 1998
type specimen   holotype
Cretaceous
West Africa

Ammotium morenoi
(Cushman & Broennimann, 1948)
type specimen   holotype
Quaternary
Caribbean Sea and Bahamas

Ammotium morenoi
(Cushman and Broennimann, 1948)
identified by scientist   
Quaternary
Iberian Peninsula

Ammotium pseudocassis
(Cushman & Brönnimann, 1948)
identified by scientist   
Quaternary
Andaman Sea and Malacca St.