Rhynchonellata - Rhynchonellida - Leiorhynchidae
Alternative spellings: Camarotoechia (Liorhynchus), Liorhynchus, Rhynchonella (Leiorhynchus)
Synonym: Nudirostra Cooper and Muir-Wood 1951 [objective synonym]
Parent taxon: Leiorhynchinae according to A. Williams et al. 2002
See also Cooper and Muir-Wood 1951, Kiessling 2003, Oehlert 1887, Paeckelmann 1913, Sepkoski 2002 and Walcott 1884
Sister taxa: Caryorhynchus, Eliorhynchus, Eoparaphorhynchus, Eumetabolotoechia, Evanescirostrum, Hadrotatorhynchus, Havlicekella, Hyborhynchella, Iloerhynchus, Ilopsyrhynchus, Katuniella, Leptocaryorhynchus, Mononusphaericorhynchus, Orbiculatisinurostrum, Paurorhyncha, Properotundirostrum, Rossirhynchus, Ryocarhynchus, Stenoglossariorhynchus, Striatorhynchus, Tenuisinurostrum, Werneckeella, Ypsilorhynchus
Subtaxa: Leiorhynchus (Leiorhynchus) Leiorhynchus quadricostatus Leiorhynchus ripheicus Leiorhynchus rockymontana Leiorhynchus rockymontanum Leiorhynchus subreniformis Rhynchonella (Leiorhynchus) laura Rhynchonella (Leiorhynchus) nevadensis Rhynchonella (Leiorhynchus) sinuatus
Type: Orthis quadricostatus
Ecology: stationary epifaunal suspension feeder
Distribution:
• Permian of Canada (3: Yukon collections), Mexico (3), the Russian Federation (2), United States (9: Idaho, Texas, Utah, Wyoming)
• Carboniferous of Argentina (2), Czechia (3), Peru (1), the United Kingdom (5), United States (24: Alaska, California, Idaho, Indiana, Missouri, Montana, Nevada, New Mexico, Utah)
• Devonian of Canada (6: British Columbia, Northwest Territories, Northwest Territories and Yukon, Ontario), China (15), Colombia (1), France (1), Germany (3), the Russian Federation (2), United States (286: Alaska, Iowa, Maryland, Michigan, Montana, Nevada, New Jersey, New Mexico, New York, Ohio, Pennsylvania, Virginia)
• Silurian of United States (1: California)
Total: 367 collections including 389 occurrences
Specimen images are retrieved through the ePANDDA API.
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