Rostroconchia - Conocardiida - Pseudobigaleaidae
Synonym: Exalloschema Hoare et al. 2002
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: Pseudobigaleaidae according to N. S. Rogalla and M. R. W. Amler 2006
See also Hoare et al. 2002 and Wagner 2023
Sister taxa: Bigaleinae, Bitrigonocardia, Bitrigonocardiinae, Iapetocardiinae, Pseudobigaleainae
Subtaxa: Baiosoma batilia Baiosoma cucullata Baiosoma pala
Type: Hippocardia pala
Ecology: stationary semi-infaunal suspension feeder
Distribution:
• Carboniferous of United States (4: Arkansas, Oklahoma, Texas collections)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.