Query Genus Locality Fossil Stomatorbina concentrica Main Key to Species About Contact
Class: Rotaliata    Subclass: Rotaliana    Order: Rotaliida    Family: Ammoniidae
Acarotrochus Kawagata, 2005

Acarotrochus lippsi
Hayward and Holzmann, 2021
type specimen   holotype
Quaternary
French Polynesia and off

Acarotrochus lobulatus
Kawagata, 2005
type specimen   holotype
Quaternary
Micronesia + Philippine Basin