Cephalopoda

Schroederoceras Hyatt, 1894

Selection of related publications
Stumbur, H. A. 1960. On different ways of evolution of nautiloids. Proc. of the Academy of Sciences of the Estonian SSR. Ser. Tech. and Phys.-Mat. Sciences 9, 4, 368-378.
Stumbur, H. 1955. Eesti NSV ülem-ordoviitsiumi nautiloiididest [Diplomitöö].
Balashov, Z. G. 1953. Svernutye i polusvernutye nautiloidei ordovika Pribaltiki. Trudy Vsesoûznogo Naučno-Issledovatel'skogo Geologo-Razvedočnogo Instituta (VNIGRI) , 217-300. Stratigraphy and fauna of the Ordovician and Silurian West Russian Platform, pp. 217-300.