Bivalvia - Cardiidia - Grammysiidae
Full reference: R. D. Hoare, M. J., I.I.I. Heaney, and R. H. Mapes. 1989. Bivalves (Mollusca) from the Imo Formation (Mississippian, Chesterian) of North-Central Arkansas. Journal of Paleontology 63(5):582-603
Belongs to Ectogrammysia according to R. D. Hoare et al. 1989
Sister taxa: Ectogrammysia hannibalensis, Ectogrammysia inaffecta, Ectogrammysia prolata
Type specimen: USNM 435866, a shell. Its type locality is Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge, which is in a Serpukhovian offshore grainstone/shale in the Imo Formation of Arkansas.
Ecology: facultatively mobile infaunal suspension feeder
Distribution: found only at Loc. 1. USGS 14369. Road cut on se side US 65, 0.8 km sw of Peyton Creek Bridge
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.