Full reference: D. G. Taylor and J. Guex. 2002. The Triassic/Jurassic System boundary in the John Day Inlier, east-central Oregon. Oregon Geology 64:3-28
Type specimen: NWMNH 25412, a shell. Its type locality is New York Canyon, base of Mount Hyatt Mb, which is in a Rhaetian marine limestone in the Gabbs Formation of Nevada.
Ecology: nektonic carnivore
Distribution: found only at New York Canyon, base of Mount Hyatt Mb
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.