Rhynchonellata - Spiriferida - Cyrtinopsidae
Parent taxon: Cyrtinopsidae according to A. Williams et al. 2006
Sister taxon: Araspiriferinae
Subtaxa: Cyrtinopsis Kozlowskiellina Megakozlowskiella Plicocyrtina
Type: Cyrtinopsis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Givetian of the Russian Federation (1 collection)
• Devonian of Australia (9), Austria (1), Canada (12: Ontario, Quebec, Yukon), China (1), Czechia (3), Germany (1), Mongolia (2), New Zealand (1), the Russian Federation (4), United States (91: California, Indiana, Nevada, New York, Oklahoma, Pennsylvania, West Virginia, West Virginia, Maryland, Pennsylvania), Venezuela (1)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Australia (1), Canada (1: Northwest Territories), Sweden (5), the United Kingdom (6), United States (3: Arkansas, New York, Oklahoma)
Total: 144 collections including 145 occurrences