†superfamily Theodossioidea Ivanova 1959 (lamp shell)
Parent taxon: Spiriferidina according to A. Williams et al. 2006
Sister taxa: Adolfioidea, Ambocoelioidea, Brachythyridoidea, Cyrtioidea, Cyrtospiriferoidea, Delthyridacea, Martinioidea, Paeckelmanelloidea, Spirifera paucicostata, Spirifera trapezoidalis, Spirifera vespertilio, Spiriferoidea
Subtaxa: Palaeochoristitidae Theodossiidae Ulbospiriferidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of China (3 collections)
• Devonian to Carboniferous of China (1)
• Devonian of Canada (4: Alberta, British Columbia, Northwest Territories), the Czech Republic (1), Iran (3), Poland (3), the Russian Federation (5), United States (21: Alaska, Iowa, New Mexico), Vietnam (1)
Total: 42 collections including 47 occurrences