Gastropoda - Bellerophontida - Tropidodiscidae
Full reference: D. M. Rohr and E. L. Yochelson. 1990. An unusual new Bellerophontacean Gastropod from the Ordovician (Whiterockian) of Nevada. Journal of Paleontology 64(6):956-960
Belongs to Groomodiscus according to P. J. Wagner 2023
See also Rohr and Yochelson 1990
Sister taxa: Groomodiscus bouceki, Groomodiscus buccinoideum, Groomodiscus calcifer, Groomodiscus planulatus
Type specimen: USNM 445059, a shell. Its type locality is D1576 CO, E. of Groom Mine, which is in a Whiterockian shallow subtidal limestone in the Antelope Valley Formation of Nevada.
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Whiterockian of United States (3: Nevada collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.