Alternative spelling: Tryblidiacea
Full reference: K. A. von Zittel. 1899. Text-book of Paleontology 1-520
Parent taxon: Tryblidiida according to P. J. Wagner 2023
See also Horný 1963, Knight and Yochelson 1960, Rozov 1970, Runnegar and Jell 1976, Starobogatov 1970, Stinchcomb and Angeli 2002 and Wahlman 1992
Sister taxa: Ellsworthoconus, Hypseloconina, Kiringelloidea, Neopilinoidea, Tryblidiina
Subtaxa: Bipulvinidae Drahomiridae Neopilinidae Proplinidae Tryblidiidae
Distribution:
• Devonian of Australia (1 collection), Czechia (1)
• Silurian of Canada (1: Nunavut), Czechia (9), Estonia (3), Greenland (1), Sweden (4)
• Dobrotivian of Czechia (1)
• Whiterockian of United States (1: Nevada)
• Ordovician of Canada (5: Ontario, Quebec), China (1), Czechia (6), Greenland (1), Norway (1), South Korea (1), Sweden (1), the United Kingdom (1), United States (48: Illinois, Iowa, Kentucky, Minnesota, Missouri, Nevada, Ohio, Tennessee, Texas, Vermont, Wisconsin)
• Cambrian of Antarctica (3), Australia (3), United States (15: Minnesota, Missouri, Montana, New York, Wisconsin)
Total: 108 collections including 140 occurrences