Rhynchonellata - Spiriferida - Spiriferidae
Parent taxon: Spiriferidae according to A. Williams et al. 2006
See also Waterhouse 2004
Sister taxa: Allanaria, Brachythyrinae, Delthyrinae, Gypospiriferinae, Intermedites, Prospirinae, Sergospiriferinae, Spiriferinae
Subtaxa: Darbandia Domokhotia Eliva Mirifusella Nalivkiniella Neomunella Podtsheremia Purdonella
Type: Purdonella
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (1 collection), Canada (14: British Columbia, Nunavut, Yukon), China (14), Greenland (2), Indian Ocean (1), Indonesia (2), Japan (2), Laos (1), Malaysia (1), Pakistan (20), the Russian Federation (10), Svalbard and Jan Mayen (2), United States (1: Alaska)
• Carboniferous of Australia (8), Canada (12: Alberta, Yukon), China (6), Malaysia (3), the Russian Federation (2), United States (1: Iowa)
Total: 103 collections including 123 occurrences