Rhynchonellata - Rhynchonellida - Eatoniidae
Parent taxon: Uncinuloidea according to A. Williams et al. 2002
See also Boucot et al. 2008
Sister taxa: Glossinotoechiidae, Hadrorhynchiidae, Hebetoechiidae, Hypothyridinidae, Innaechiidae, Obturamentellidae, Uncinulidae
Subtaxa: Aratanea Boucotella Clarkeia Costellirostra Diabolirhynchia Eatonia Eatonioides Pegmarhynchia Pleiopleurina Sulcatina
Type: Eatonia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Argentina (1 collection), Brazil (1), Canada (3: Nova Scotia, Quebec), New Zealand (1), South Africa (1), United States (19: Nevada, New York, Tennessee)
• Silurian to Devonian of Argentina (1), United States (1: Oklahoma)
• Silurian of Argentina (9), Bolivia (1), Czechia (3), France (3), Guinea (2), Mauritania (4), Mongolia (1), Peru (4), Ukraine (1), United States (9: California, Indiana, New York, Tennessee)
Total: 65 collections including 67 occurrences