Cephalopoda

Cyrtendoceratidae Hyatt, 1900

Selection of related publications
Balashov, Z. G. 1968. Ordovician Endoceratids from Soviet Union.
Foerste, A. F. 1932. The cephalopod genera Cyrtendoceras and Oelandoceras. The Ohio Journal of Science 32, 3, 163-172.
Holm, G. 1892. Om tvenne Gyroceras-formigt böjda Endoceras-arter. GFF 14, 2, 125-136. DOI:10.1080/11035899209444299