Rhynchonellata - Rhynchonellida
Parent taxon: Rhynchonellida according to A. Williams et al. 2002
Sister taxa: Ancistrorhynchoidea, Antistrixia, Apodosiidae, Areella, Asiarhynchia, Atlanticocoelia, Barzellinia, Basilioloidea, Beichuanrhynchus, Borealirhynchia, Camarotoechioidea, Camarotoechioides, Cardinirhynchiidae, Corrugatimediorostrum, Cyclothyridae, Dimerelloidea, Donella, Dorsisinus, Hemithiridoidea, Hypoleiorhynchus, Isjuminelina, Jacoburbirostridae, Lambdarinoidea, Langkawia, Laosia, Latirhynchia, Leiorhynchoides, Linxiangxiella, Miaohuangrhynchus, Mongolirhynchia, Neimongolella, Norelloidea, Omolonorhynchia, Paratetratomia, Paryphorhynchopora, Payuella, Perakia, Platyglossariorhynchus, Plekonina, Pompoecilorhynchus, Praecyclothyrididae, Protorhyncha, Pseudonudirostra, Pseudopugnax, Pugnacoidea, Rhynchonella guadalupae, Rhynchonella mundula, Rhynchonelloidea, Rhynchonelloidea, Rhynchotetradoidea, Rhynchotrematoidea, Rhynchotretaoides, Rhynchotretina, Sacothyropsis, Salairotoechia, Sichuanrhynchus, Stenoscismatidina, Straelenia, Tanerhynchia, Tatjamoa, Togaella, Uncinuloidea, Uralotoechia, Wellerelloidea, Wulungguia, Yanbianella, Yarirhynchia, Yunshanella
Subtaxa: Rhynchoporidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Afghanistan (3 collections), Australia (2), Bolivia (5), Canada (18: Alberta, British Columbia, Nunavut, Yukon), China (7), Greenland (18), Japan (4), Laos (1), Malaysia (7), Mexico (18), Mongolia (1), Nepal (1), Pakistan (32), Peru (2), Poland (2), the Russian Federation (62), Slovenia (1), Svalbard and Jan Mayen (3), Thailand (8), United States (174: Alaska, California, Idaho, Montana, Nevada, New Mexico, Oregon, Texas, Utah, Wyoming)
• Namurian of Australia (1)
• Carboniferous to Permian of Svalbard and Jan Mayen (1), United States (1: Texas)
• Carboniferous of Argentina (1), Australia (8), Bolivia (1), Chile (1), Egypt (1), France (1), India (4), Ireland (1), Peru (2), the Russian Federation (3), United States (112: Alaska, Arizona, Arkansas, California, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Missouri, Nevada, New Mexico, Oklahoma, Tennessee, Texas, Utah)
• Devonian of Afghanistan (2), Armenia (3), Belgium (4), Canada (1: Alberta), France (1), Iran (6), United States (20: Missouri, Ohio)
Total: 544 collections including 585 occurrences