	Authors	Year	Title
	Chernov	1939	Otryad Ammonoidea. Ammonei. Atlas rukovodyashchikh form iskopaemykh faun SSSR, 6, Permskaya sistema: 160-190, fig.39-103, pl.41-45; Leningrad, Moskva.
	Karpinskii	1926	On a new species of ammonoid of the family Medlicottinae; on the relationship between the genera of this family, and on the ontogeny and phylogeny of Prolecanitidae. Ezhegodnik Russkogo Paleontologicheskogo obshchestva, 4 (1922-1924): 1-19, Leningrad. [Reprint: 1945, p.165].
	Karpinskii	1928	O nekotorykh novykh dannykh ob ostatkakh organizmov, priznavaemykh problematicheskimi, o delaemykh otnositel'no ikh i drugikh iskopaemykh vyvodakh i o nauchnoi kritike. Ezhegodnik Russk.Paleont.obshchestva,7,1927.Reprint:A.P.Karpinskii,Sobranie sochinenii,479-496,no figs.,Moskva,Leningrad(Izdatelstvo Akad.Nauk) 1945.
	Ruzhencev	1949	Sistematika i evolyutsia semeystv Pronoritidae Frech i Medlicottiidae Karpinsky. Trudy Palentologicheskogo Instituta Akademiya Nauk SSSR, 19: 1-206, fig.1-88, pl.1-17; Moskva.