Rhynchonellata - Spiriferinida - Pennospiriferinidae
Parent taxon: Pennospiriferinidae according to A. Williams et al. 2006
Sister taxon: Pennospiriferininae
Subtaxa: Arionthia Laioporella Punctospirella Xestotrema
Type: Punctospirella
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Triassic of Bosnia and Herzegovina (2 collections), China (1), Germany (4), Hungary (17), Iran (1), Italy (28), New Zealand (5), Poland (5), Romania (2), the Russian Federation (1), Serbia and Montenegro (8), Singapore (1), Slovakia (3), Turkey (1)
• Leonard of United States (1: Utah)
• Permian of China (1), Italy (1), Japan (3), the Russian Federation (4), Thailand (1), United States (172: Alaska, California, Nevada, New Mexico, Texas, Utah, Wyoming), Vietnam (1)
• Carboniferous of the Russian Federation (2)
Total: 265 collections including 271 occurrences