Query Genus Locality Fossil Stomatorbina concentrica Main Key to Species About Contact
Class: Monothalamea    Subclass:     Order: Astrorhizida    Family: Astrorhizidae
Pseudastrorhiza Eisenack, 1932

Pseudastrorhiza conica
Gutschick, Weiner&Young, 1961
identified by scientist   
Carboniferous
Midwestern USA

Pseudastrorhiza delicata
Gutschick&Treckmann, 1959
identified by scientist   
Carboniferous
Midwestern USA