Ammotium braunsteini (Cushman & Applin, 1946) identified by scientist Jurassic United Kingdom and Ireland | Ammotium directum (Cushman & Brönnimann, 1948) identified by scientist Quaternary Andaman Sea and Malacca St. | |||
Ammotium morenoi (Cushman & Broennimann, 1948) type specimen holotype Quaternary Caribbean Sea and Bahamas | Ammotium pseudocassis (Cushman & Brönnimann, 1948) identified by scientist Quaternary Andaman Sea and Malacca St. |