Trilobatus immaturus
(LeRoy, 1939)
identified by scientist   
Neogene
Micronesia + Philippine Basin

Trilobatus quadrilobatus
(d'Orbigny, 1846)
identified by scientist   
Quaternary
off East Africa

Trilobatus sacculifer
(Brady, 1877)
identified by scientist   
Quaternary
Micronesia + Philippine Basin

Trilobatus trilobus
Leroy, 1939
identified by scientist   
Neogene
off Brazil

Trilobatus trilobus
(Reuss, 1850)
identified by scientist   
Quaternary
off Peru and Northern Chile