Rhynchonellata - Spiriferinida - Syringothyrididae
Full reference: J. B. Waterhouse. 1986. New late Palaeozoic invertebrate taxa. Bulletin of the Indian Geologists' Association 19(1):1-8
Parent taxon: Syringothyrididae according to A. Williams et al. 2006
Sister taxa: Septosyringothyridinae, Syringothyridinae
Subtaxa: Asyrinxia Cundaria Cyrtella Kungaella Kyutepia Myodelthyrium Pachycyrtella Permasyrinx Petinospiriferina Primorewia Pseudosyringothyris Pseudosyrinx Subansiria Sulcicosta Syrella Verkhotomia Woolagia
Type: Permasyrinx
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (7 collections), Australia (169), Brazil (1), Canada (2: Yukon), China (11), Greece (1), India (12), Indonesia (2), Mongolia (6), Nepal (16), Oman (30), Pakistan (2), the Russian Federation (25), Slovenia (1), Svalbard and Jan Mayen (2), Tajikistan (4)
• Carboniferous of Australia (12), Canada (15: Alberta, Northwest Territories, Yukon), Chile (1), Iran (1), the Russian Federation (2), United States (26: Indiana, Iowa, Missouri, Nevada, Oklahoma, Utah)
Total: 348 collections including 392 occurrences