Gastropoda - Murchisoniina - Phanerotrematidae
Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42
Parent taxon: Eotomarioidea according to P. Bouchet et al. 2005
See also Golikov and Starobogatov 1975, Jeffery 2003, Knight et al. 1960, Kosnik 2002 and Wagner 2023
Sister taxa: Eotomariidae, Gosseletinidae, Luciellidae, Phymatopleuridae, Porcelliidae, Portlockiellidae, Pseudoschizogoniidae, Rhaphistomellidae, Temnotropidae, Wortheniellidae
Subtaxa: Brachytomaria Phanerotrema Ulrichospira
Type: Phanerotrema
Ecology: slow-moving epifaunal detritivore
Distribution:
• Permian of United States (2: Alaska, New Mexico collections)
• Carboniferous of United States (7: Kansas, Texas)
• Devonian of Australia (2), Austria (2), Canada (4: Northwest Territories, Quebec), Czechia (1), France (1), United States (1: New York)
• Silurian of Canada (16: New Brunswick, Nova Scotia, Ontario, Quebec, Québec), Czechia (4), Paraguay (1), Sweden (7), Ukraine (2), the United Kingdom (12), United States (10: Illinois, Iowa, Wisconsin)
• Ordovician of Canada (9: Ontario, Québec), Estonia (7), Norway (3), the Russian Federation (1), Sweden (1), United States (3: Illinois, Iowa, Iowa, Minnesota)
Total: 96 collections including 97 occurrences