Rhynchonellata - Athyridida - Neoretziidae
Full reference: F. Alvarez, J. Y. Rong, and A. J. Boucot. 1998. The classification of athyridid brachiopods. Journal of Paleontology 72:827-855
Parent taxon: Neoretziidae according to A. Williams et al. 2002
See also Alvarez et al. 1998
Sister taxa: Hungarispirinae, Hustediinae, Neoretziinae
Subtaxa: Cooperispira Plectospira
Type: Plectospira
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Carboniferous of Australia (1 collection), United States (13: Indiana, Kentucky, Missouri, Montana, Tennessee, Texas)
• Devonian of Australia (1), China (4), the Czech Republic (6), Germany (1), Myanmar (2), Spain (1), Thailand (1)
• Silurian of the Czech Republic (1), United States (1: California)
Total: 32 collections including 36 occurrences