Rhynchonellata - Spiriferida - Adolfiidae
Synonym: Spinellinae Johnson 1970
Parent taxon: Adolfiidae according to A. Williams et al. 2006
See also Johnson 1970
Sister taxa: Callispiriferinae, Eurekaspiriferinae, Pinguispiriferinae
Subtaxa: Acutatheca Adolfia Allanella Chimaerothyris Eospiriferina Fidespirifer Guicyrtia Spinella
Type: Adolfia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Australia (2 collections)
• Couvinien of Australia (1)
• Devonian of Afghanistan (3), Australia (14), Belgium (4), Canada (21: Alberta, Northwest Territories), China (4), France (10), Libya (2), Poland (1), the Russian Federation (3), Spain (1), United States (140: Iowa, Missouri, Nevada, New Mexico, New York, Pennsylvania)
• Silurian of the United Kingdom (1)
Total: 207 collections including 225 occurrences