The family to which Brotheotrachyceras belongs, Trachyceratidae,[3] has more or less involute, highly ornamented shells and ceratitic to ammonitic sutures.
^P. Mietto and S. Manfrin. 2008. Taxonomic names, in Selected ammonoid fauna from Prati Di Stuores/Stuores Wiesen and related sections across the Ladinian-Carnian boundary (southern Alps, Italy). Rivista Italiana di Paleontologia e Stratigrafia 114:377-429
Bibliography
E. von Mojsisovics. 1882. Die Cephalopoden der Mediterranen Triasprovinz. Abhandlungen der Kaiserlich-Königlichen Geologischen Reichsanstalt 10:1-322
Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.