Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Astrononionidae
Laminononion Hornibrook, 1964

Laminononion tumidum
Cushman & Edwards, 1913
identified by scientist   
Quaternary
Ascension to St. Helena

Laminononion tumidum
(Cushman & Edwards, 1937)
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea