Authors Year Title
Nikolaeva & Nigmadzhanov 1992 Pogranichnye otlozheniya Nizhnego i Srednego Karbona v Yuzhnom Tyan'-Shane.
Isvestiya Akademii Nauk, Seriya geologicheskaia, 2, 1992: 97-104, fig.1,2, pl.1; Moskva.
Nikolaeva 1994 Serpukhovskie i bashkirskie ammonoidei Sredney Asii.
Trudy Paleontologicheskogo Instituta Rossiiskaya Akademiya Nauk, 259: 1-143, fig.1-56, tab.1-2, pl.1-10; Moskva.
Nikolaeva 1995 Ammonoids from the late Lower and early Upper Carboniferous of Central Asia.
Courier Forschungsinstitut Senckenberg, 179: 1-107, fig.1-75, tab.1-2, pl.1-9; Frankfurt a.M.
Ruzhencev & Bogoslovskaya 1978 Namyurskiy etap v evolyutsii ammonodey. Pozdnenamyurskiye ammonoidei.
Trudy Paleontologicheskogo Instituta Akademiya Nauk SSSR, 167: 1-336, fig.1-108, pl.1-44; Moskva.