Rhynchonellata - Spiriferida - Spiriferellidae
Parent taxon: Spiriferoidea according to A. Williams et al. 2006
See also Shen et al. 2003, Shen et al. 2003 and Waterhouse 2004
Sister taxa: Aulidospiridae, Choristitidae, Imbrexiidae, Reticulariacea, Spiriferidae, Trigonotretidae
Subtaxa: Alispiriferella Arcullina Bamberina Elivina Elivininae Eridmatus Hunzininae Plicatospiriferella Rhombospirifer Spiriarchboldiella Spiriferella Spiriferellinae Spiriferelloides Timaniella Tipispirifer
Ecology: stationary epifaunal suspension feeder
Distribution:
• Leonard of Canada (3: Yukon collections)
• Wolfcamp of Canada (5: Yukon)
• Permian of Afghanistan (2), Australia (35), Canada (176: British Columbia, Northwest Territories, Nunavut, Yukon), China (92), Greece (1), Greenland (36), India (19), Indonesia (19), Japan (20), Laos (2), Malaysia (4), Mexico (11), Mongolia (15), Myanmar (8), Nepal (68), New Zealand (5), Oman (4), Pakistan (34), the Russian Federation (75), Slovenia (1), Svalbard and Jan Mayen (15), Tajikistan (1), Thailand (22), Tunisia (2), United States (274: Alaska, California, Idaho, Montana, Nevada, New Mexico, Oregon, Texas, Utah, Wyoming)
• Virgilian of United States (20: Texas)
• Pennsylvanian of Canada (1: Nunavut), United States (1: Alaska)
• Osagean of Canada (1: Northwest Territories)
• Carboniferous of Canada (26: Northwest Territories, Yukon), the Russian Federation (11), South Korea (3), Svalbard and Jan Mayen (2), United States (16: Alaska, Texas)
Total: 1030 collections including 1211 occurrences