Rhynchonellata - Orthida - Paurorthidae
Parent taxon: Dalmanelloidea according to M. Liljeroth et al. 2017
See also Alikhova 1953, Hints 1975, Mitchell 1977, Opik 1933, Opik 1933, Rubel 1961 and Williams et al. 2000
Sister taxa: Angusticardiniidae, Dalmanellidae, Dicoelosiidae, Harknessellidae, Heterorthidae, Hypsomoniidae, Kayserellidae, Mystrophoridae, Platyorthidae, Portranellidae, Proschizophoriidae, Rhipidomellidae, Tyronellidae
Subtaxa: Cyclomyonia Nereidella Paurorthina Paurorthis Virgoria
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Norway (2 collections)
• Dobrotivian of Czechia (1), Spain (1)
• Chazyan of United States (3: Alabama, Tennessee)
• Valaste of Estonia (4)
• Langevoja of Estonia (6), the Russian Federation (1)
• Vaana of Estonia (1)
• Hunderum of the Russian Federation (1)
• Billingen of Estonia (7), the Russian Federation (15)
• Arenig of China (16), France (1), Morocco (1), Spain (1), the United Kingdom (1)
• Klabava of Czechia (1)
• Dawan of China (4)
• Ordovician to Silurian of Norway (1)
• Ordovician of Argentina (2), Canada (10: British Columbia, Newfoundland), China (18), Estonia (21), France (1), Morocco (3), Norway (2), Portugal (1), the Russian Federation (93), Spain (2), the United Kingdom (8), United States (31: Alabama, California, Oklahoma, Pennsylvania, Tennessee, Virginia)
• Cambrian of Iran (1)
Total: 261 collections including 272 occurrences