Cephalopoda

Bathmoceratidae Barrande, 1867

Selection of related publications
Mutvei, H. 2015. Characterization of two superorders Nautilosiphonata and Calciosiphonata and a new order Cyrtocerinida of the subclass Nautiloidea; siphuncular structure in the Ordovician nautiloid Bathmoceras (Cephalopoda). GFF 137, 3, 164-174. DOI:10.1080/11035897.2015.1061592
Sweet, W. C. 1958. The Middle Ordovician of the Oslo Region, Norway: 10. Nautiloid Cephalopods. Norsk Geologisk Tidsskrift 38, 1, 1-176.
Balashov, Z. G. 1955. Nekotorye novye rody i vidy nautiloidej ordovika Pribaltiki. Voprosy paleontologii , II, 45-54.