Faberoceras is an extinct genus of prehistoric nautiloid. The nautiloids are a subclass of shelled cephalopods that were once diverse and numerous but are now represented by only a handful of species.
Sepkoski, J.J. Jr. (2002). "A compendium of fossil marine animal genera". D.J. Jablonski & M.L. Foote (eds.). Bulletins of American Paleontology363: 1–560.