Rhynchonellata - Rhynchonellida
Parent taxon: Rhynchonellida according to A. Williams et al. 2002
Sister taxa: 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, Rhynchoporoidea, Rhynchotetradoidea, Rhynchotrematoidea, Rhynchotretaoides, Rhynchotretina, Sacothyropsis, Salairotoechia, Sichuanrhynchus, Stenoscismatidina, Straelenia, Tanerhynchia, Tatjamoa, Togaella, Uncinuloidea, Uralotoechia, Wellerelloidea, Wulungguia, Yanbianella, Yarirhynchia, Yunshanella
Subtaxa: Ancistrorhynchidae Niorhynicidae Oligorhynchiidae Sphenotretidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Argentina (1 collection)
• Silurian of Czechia (9), the United Kingdom (1)
• Whiterockian of United States (1: Nevada)
• Chazyan of Canada (5: Ontario, Quebec), United States (27: New York, Tennessee, Vermont)
• Ordovician of Canada (4: Northwest Territories, Ontario, Quebec), China (29), Kazakhstan (9), Norway (1), the Russian Federation (2), the United Kingdom (6), United States (36: Georgia, Nevada, New York, Oklahoma, Tennessee, Virginia)
Total: 131 collections including 140 occurrences