Rhynchonellata - Rhynchonellida - Petasmariidae
Full reference: S. Weller. 1910. Internal characters of some Mississippian rhynchonelliform shells. Geological Society America Bulletin 21:497-516
Parent taxon: Petasmariidae according to A. Williams et al. 2002
See also Sepkoski 2002 and Weller 1910
Sister taxa: Athabaschia, Bryorhynchus, Eurycolporhynchus, Leiorhynchoidea, Megalopterorhynchus, Ovlatchania, Parvaltissimarostrum, Petasmaria, Porostictia, Pugnoides, Rhynoleichus
Subtaxa: Shumardella obsolescens
Type: Shumardia bohemica
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Canada (2: Alberta collections), United States (18: Alaska, Illinois, Iowa, Kansas, Missouri, Nebraska, Texas)
• Devonian of United States (3: Montana)
Total: 23 collections including 24 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.