| 
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.	 
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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.	 
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