Authors Year Title
Miller, Furnish & Schindewolf 1957 Paleozoic Ammonoidea.
In: R.C.Moore,Treatise on Invertebrate Paleontology [Moore,R.C., ed., Part L, Mollusca 4: Ammonoidea. L11-L79, Fig.1-123, New York.
Osnovy_Paleontologii 1962 Nadotriad Ammonoidea - Ammonoidei. Sistematicheskaia chast. [Bogoslovskyi,B.I., Librovich,L.S. & Ruzhentsev,V.E.] [see LIT1048]
Osnovy Paleontologii, Molliuski - Golovonogie 1: 243-425, fig.1-187, pl.1-32; Moskva.