Zuren & Glenister 2009. Replacement names for two Permian ammonoid junior homonyms: Hoffmannia Gemmellaro, 1887 and Tauroceras Tumanskaia, 1938. Treatise on invertebrate paleontology. Part L, Mollusca 4. Revised. Volume 2: Carboniferous and Permian Ammonoidea (Goniatitida and Prolecanitida)., University of Kansas Paleontological Institute, Lawrence, 2009: i-xxix, 1-258. Chapter pagination: 218-219