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Class:
Astrorhizata
Subclass:
Astrorhizana
Order:
Astrorhizida
Family:
Psammosphaeridae
Sorosphaera
Brady, 1879
Sorosphaera confusa
Brady, 1879
identified by M. Hesemann
Quaternary
Greenland Sea
Sorosphaera osgoodensis
Stewart and Priddy, 1941
identified by scientist
Silurian
Western Canada and USA
Sorosphaera papilla
Gutschick&Treckmann, 1959
identified by scientist
Carboniferous
Midwestern USA