A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #0-9

Mitta V.V. (2011) Ammonites of Tethyan origin in the Ryazanian Stage of the Russian platform: genus Mazenoticeras and other Neocomitidae // Palaeontol. Journ. V. 45. No 2. P. 143-153.

Ammonites from the Riasanites rjasanensis Zone (Ryazanian Stage of the Russian Platform) of the family Neocomitidae are considered. The new species Mazenoticeras robustum sp. nov. and M. ceccai sp. nov. are described. Other members of this genus and of the genera Malbosiceras and Pomeliceras are identified in open nomenclature.