Rhynchonellata - Rhynchonellida - Leptocoeliidae
Parent taxon: Rhynchotrematoidea according to A. Williams et al. 2002
See also Bassett and Cocks 1974 and Boucot et al. 2008
Sister taxa: Machaerariidae, Orthorhynchulidae, Phoenicitoechiidae, Rhynchotrematidae, Trigonirhynchiidae, Trigonorhynchiidae
Subtaxa: Anabaia Australocoelia Eocoelia Leptocoelia Leptocoelina Pacificocoelia Platytrochalos
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Argentina (1 collection), Australia (2), Bolivia (38), Brazil (26), Canada (5: Quebec), Chile (2), Colombia (10), Peru (1), South Africa (12), United States (40: California, Nevada, New Hampshire, New York, Virginia), Uruguay (1), Venezuela (3)
• Jaani of Estonia (2)
• Silurian to Devonian of Argentina (1)
• Silurian of Argentina (18), Brazil (1), Canada (90: New Brunswick, Nova Scotia, Nunavut, Ontario, Quebec, Québec), Czechia (2), Guinea (1), Ireland (1), Norway (1), Paraguay (3), Peru (4), the Russian Federation (4), Sweden (1), the United Kingdom (8), United States (23: Maine, Maryland, New York, West Virginia), Venezuela (1)
Total: 302 collections including 320 occurrences