†Tancredia americana cupressensis Russell and Landes 1937 (clam)
Bivalvia - Cardiida - Tancrediidae
Full reference: L. S. Russell and R. W. Landes. 1937. Geology of the Southern Alberta Plains. Part II. Paleontology of the marine formations of the Montana Group. Geological Survey of Canada Memoir 221
Belongs to Tancredia americana according to L. S. Russell and R. W. Landes 1937
Sister taxa: none
Type specimen: GSC 9356, a shell
Ecology: facultatively mobile deep infaunal deposit feeder
Distribution: there are no occurrences of Tancredia americana cupressensis in the database