Class: Astrorhizata    Subclass: Astrorhizana    Order: Astrorhizida    Family: Psammosphaeridae
Thuramminoides Plummer, 1945

Thuramminoides praeseptagonalis
Georgescu and Braun, 2013
type specimen   holotype
Jurassic
Arctic

Thuramminoides sphaeroidalis
Plummer, 1945
identified by scientist   
Carboniferous
Midwestern USA

Thuramminoides sphaeroidalis
Plummer, 1945
identified by scientist   
Carboniferous
Midwestern USA