Authors Year Title
Bogoslovsky 1969 Devonskie ammonoidei. I. Agoniatity.
Trudy paleont. Inst., 124: 1-341, fig.1-104, pl.1-29; Moskva.
Chernyshev 1887 Fauna srednego i verkhnego devona zapadnago sklona Urala.
Trudy geol. Kom., 3 (3): I-XII, 1-208, pl.1-14; S.-Peterburg.
Holzapfel 1899 Die Cephalopoden des Domanik im südlichen Timan.
Trudy geol. komiteta 12 (3): 1-56, pls.1-10, St. Petersbourg.
Kuz'min & Yatskov 1997 Transgressive-Regressive events and conodont and ammonoid assemblages in the Frasnian of the South Timan.
Courier Forschungsinstitut Senckenberg, 199: 25-36, 8 figs., Frankfurt.