Authors Year Title
Afanas'eva, Konovalova & Boiko 2006 Evolyutsiya i morfologicheskie preobrazovaniya radiolyarii i ammonoidei v Uralskom Okeane v kamennougol'nykh period. [In Russian with abstract: Evolution and morphological changes in Radiolarians and Ammonoids in the Uralian Ocean]
In:Contributions to current Cephalopod Research: Morphology, Systematics,Evolution,Ecology and Biostratigr., Kollektiv PIN,
RAN, eds., 61-67, 2 pl., Moskva 2006