Authors Year Title
Bogoslovsky 1954 Novyy devonskiy predstavatel' semeystva Pronoritidae Frech.
Dokl. Akad Nauk SSSR, 97, 2: 323-326, fig.1,2; Moskva.
Bogoslovsky 1958a K evolutsii semeystva Gephuroceratidae Frech, 1901.
Izv. Akad. Nauk SSSR, Ser. Biol., 1958 (3): 336-243, fig.1-3; Moskva.
Bogoslovsky 1969 Devonskie ammonoidei. I. Agoniatity.
Trudy paleont. Inst., 124: 1-341, fig.1-104, pl.1-29; Moskva.
Liashenko 1956 Goniatity osnovaniia franskogo iarusa Timana.
Izvest.Akad. Nauk SSSR, ser.geol., 1956, no.5: 87-92, text-figs.1-2, pl.1.
Liashenko 1957 Novye vidy devonskikh goniatitov.
Trudy Vsesoiuzn.nauchn.-issledov.geol.-razved.neft.inst., 8: 192-211, 3 pls.