Parent taxon: Chileata according to M. Rubel 2011
See also Williams et al. 2000
Sister taxa: Chileida, Longtancunella
Subtaxa: Eichwaldioidea
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of China (5 collections), Italy (1), Japan (2), Malaysia (1), Ukraine (2), United States (17: Kansas, Texas)
• Carboniferous of Belize (1), Bolivia (1), the United Kingdom (12), United States (11: California, Kansas, New Mexico, Texas)
• Devonian of the Czech Republic (4), Kazakhstan (1)
• Jaani of Estonia (3)
• Silurian of Canada (4: Nunavut, Ontario, Quebec, Québec), the Czech Republic (2), Estonia (3), Sweden (12), the United Kingdom (4), United States (64: Illinois, Indiana, Iowa, Missouri, New York, Oklahoma, Tennessee, Wisconsin)
• Ordovician of the Russian Federation (1), Sweden (1), United States (7: Georgia, Oklahoma)
Total: 159 collections including 161 occurrences