Cyrtorizoceras, Taxa Only, Exact Match: 2 Treatments

Cyrtorizoceras			Kröger, Björn, 2013, The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden, European Journal of Taxonomy 41, pp. 1-110 : 20-21	20-21
Cyrtorizoceras thorslundi		sp. nov.	Kröger, Björn, 2013, The cephalopods of the Boda Limestone, Late Ordovician, of Dalarna, Sweden, European Journal of Taxonomy 41, pp. 1-110 : 21-23	21-23