(Millett, 1899) Acupeinidae Holocene recent Celebes Sea unknown Loeblich and Tappan identified by scientist 1 / FEU-1013934 | (Millett, 1899) Acupeinidae Holocene recent Andaman Sea and Malacca St. Penang Island Mangroves M.N. Abd Malek identified by scientist 2 / FEU-1024084 |