Tubothalamea - Miliolida - Cornuspiridae
Parent taxon: Cornuspiridae according to A. R. Loeblich and H. Tappan 1984
See also Loeblich and Tappan 1988
Sister taxa: Calcitornella, Calcivertella, Calcivertellinae, Cornuspirinae, Cornuspiroidinae, Hedraites, Meandrospira, Meandrospirinae, Nodobaculariellinae, Planiinvoluta, Trepeilopsis, Turriglomininae, Vidalina
Subtaxa: Gordiospira Hemigordiopsis Hemigordius Nodogordiospira Orthella Orthovertella
Ecology: stationary epifaunal deposit feeder
Distribution:
• Triassic of China (2 collections), India (3), Italy (1), Slovakia (1), Turkey (1)
• Permian of Afghanistan (1), Armenia (8), Australia (14), Austria (2), Azerbaijan (19), Canada (1: Nunavut), China (61), Croatia (2), Greece (1), India (1), Indonesia (1), Iran (32), Italy (15), Japan (27), Lithuania (7), Malaysia (1), Mongolia (1), the Russian Federation (7), Tajikistan (4), Thailand (1), Tunisia (3), Turkey (2), Ukraine (2), the United Arab Emirates (1), United States (1: Nevada)
• Carboniferous to Permian of the Russian Federation (1)
• Carboniferous of Canada (1: Nunavut), Egypt (2), Morocco (1), Norway (1), Turkey (1), United States (30: Iowa, Kansas, Missouri, Nebraska, Oklahoma, Texas)
Total: 260 collections including 336 occurrences