†Spirolegoceras Miller et al. 1957 (ammonite)
Cephalopoda - Goniatitida - Metalegoceratidae
Synonym: Gobioceras Bogoslovskaya 1988
Full reference: A. K. Miller, W. M. Furnish, and D. L. Clark. 1957. Permian ammonoids from western United States. Journal of Paleontology 31(6):1057-1068
Parent taxon: Spirolegoceratinae according to W. M. Furnish et al. 2009
Sister taxa: Archboldiceras, Sverdrupites
Subtaxa: Spirolegoceras elenae, Spirolegoceras fischeri
Ecology: fast-moving nektonic carnivore