Jaregoceras

Jaregoceras is a genus of nautiloids from the Upper Devonian discosorid that probably belongs to the family Discosoridae.

References

• Curt Teichert, 1964. Nautiloidea-Discosorida; Treatise on Invertebrate Paleontology, Part K. Geological Society of America and University of Kansas Press
• Jack Sepkoski's list of cephalopod genera http://strata.geology.wisc.edu/jack/showgenera.php?taxon=231&rank=class