Arionoceras arion, Taxa Only, Exact Match: 2 Treatments

Arionoceras Barskov. Regarding 1966			Kröger, Björn, 2004, Revision of Middle Ordovician orthoceratacean nautiloids from Baltoscandia, Acta Palaeontologica Polonica 49 (1), pp. 57-74 : 72	72
Arionoceras lotskirkense Kröger, 2004, sp. nov.			Kröger, Björn, 2004, Revision of Middle Ordovician orthoceratacean nautiloids from Baltoscandia, Acta Palaeontologica Polonica 49 (1), pp. 57-74 : 72-73	72-73