Rostroconchia - Conocardiida - Pseudobigaleaidae
Full reference: R. D. Hoare, R. H. Mapes, and T.E. Yancey. 2002. Structure, taxonomy, and epifauna of Pennsylvanian rostroconchs (Mollusca). Journal of Paleontology Memoir 58:1-30
Parent taxon: Hippocardioidea according to N. S. Rogalla and M.R.W. Amler 2006
See also Hoare et al. 2002
Sister taxa: Bransoniidae, Hippocardiidae
Subtaxa: Baiosoma Bigaleinae Bitrigonocardia Bitrigonocardiinae Iapetocardiinae Pseudobigaleainae
Type: Pseudobigalea
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Permian of United States (1: Nevada collection)
• Carboniferous of United States (11: Arkansas, Kansas, Kentucky, Missouri, Ohio, Oklahoma, Texas)
• Devonian of Australia (1), United States (4: Indiana, Michigan, New York)
• Whitwellian of Canada (3: Northwest Territories)
• Silurian of Canada (6: Alberta, Northwest Territories, Quebec), Poland (1), Sweden (3), United States (1: Oklahoma)
• Ordovician of Germany (2), Ireland (1), the Netherlands (1), Sweden (2), the United Kingdom (1), United States (2: Oklahoma, Virginia)
Total: 40 collections including 54 occurrences