Class: Astrorhizata    Subclass: Astrorhizana    Order: Astrorhizida    Family: Stannomidae
Aschemonella Brady, 1879

Aschemonella bastillensis
McClellan, 1973
identified by scientist   
Silurian
Western Canada and USA

Aschemonella catenata
(Norman, 1876)
identified by scientist   
Quaternary
Labrador Sea

Aschemonella scabra
Brady, 1870
identified by scientist   
Quaternary
central North Pacific