†Protacanthoceras hosei sheridanense Cobban 1987 (ammonite)
Cephalopoda - Ammonitida - Acanthoceratidae
Alternative combination: Protacanthoceras sheridanense
Full reference: W. A. Cobban. 1987. Some Middle Cenomanian (Upper Cretaceous) acanthoceratid ammonites from the Western Interior of the United States. United States Geological Survey Professional Paper 1445:1-28
Belongs to Protacanthoceras hosei according to W. A. Cobban 1987
See also Wagner 2020
Sister taxon: Protacanthoceras hosei hosei
Type specimen: USNM 388171
Ecology: fast-moving nektonic carnivore
Distribution: found only at USGS D6933 (Cretaceous of Wyoming)