Class: Rotaliata    Subclass: Rotaliana    Order: Nonionida    Family: Nonionidae
Melonis Montfort, 1808

Melonis affinis
(Reuss, 1851)
identified by scientist   
Quaternary
Caribbean

Melonis barleeanus
(Williamson, 1858)
identified by scientist   
Quaternary
off Brazil

Melonis pompilioides
(Fichtel & Moll, 1798)
identified by scientist   
Quaternary

Melonis umbilicatulus
(Walker & Jacob, 1798)
identified by scientist   
Quaternary