†Ophiceras demissum Oppel 1862 (ceratite)
Cephalopoda - Ceratitida - Ophiceratidae
Alternative combinations: Ammonites demissus, Xenodiscus demissus
Belongs to Ophiceras according to J. K. Zhao and Y. G. Wang 1974
Sister taxa: Ophiceras bilotense, Ophiceras commune, Ophiceras gibbosum, Ophiceras greenlandicum, Ophiceras himalayanum, Ophiceras medium, Ophiceras subsakuntala, Ophiceras tibeticum, Ophiceras transitorium, Ophiceras (Acanthophiceras) subgibbosum, Ophiceras (Acanthophiceras) poulseni
Ecology: nektonic carnivore
Average measurements (in mm): shell diameter 55.6