†Nomismoceras spirorbis Phillips 1836 (ammonite)
Cephalopoda - Ammonoidea - Nomismoceratidae
PaleoDB taxon number: 316187
Alternative combination: Goniatites spirorbis
Belongs to Nomismoceras according to V. E. Ruzhentsev and M. F. Bogoslovskaya 1971
Sister taxa: Nomismoceras (Anthracoceras), Nomismoceras frechi, Nomismoceras germanicum, Nomismoceras rotiforme, Nomismoceras vittigerum
Ecology: fast-moving nektonic carnivore