Strophomenata - Strophomenida - Leptaenoideidae
Parent taxon: Strophomenoidea according to C. R. Congreve et al. 2015
See also Bassett and Cocks 1974, Musteikis and Cocks 2004, Rubel 2011 and Williams et al. 2000
Sister taxa: Amphistrophiidae, Dicoelostrophiidae, Douvillinidae, Douvinella, Eopholidostrophiidae, Foliomenidae, Furcitellidae, Glyptomenidae, Idioglyptus, Leptodontellidae, Leptostrophiidae, Playfairia, Rafinesquinidae, Rhenostrophia, Shaleriidae, Strophomenidae, Strophomenidea, Strophonellidae, Syntrophodonta
Subtaxa: Leptaenisca Leptaenoidea Leptaenomendax Liljevallia Taleoleptaena
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Canada (4: Northwest Territories, Yukon, Yukon Territory collections), the Russian Federation (2), United States (17: Nevada, New York, Oklahoma, Tennessee)
• Whitwellian of Canada (1: Northwest Territories)
• Niagaran of Canada (1: Québec)
• Silurian to Devonian of United States (1: Oklahoma)
• Silurian of Canada (8: Northwest Territories, Nunavut, Quebec, Québec), Estonia (7), Sweden (8), United States (10: Missouri, Oklahoma)
Total: 59 collections including 60 occurrences