Cephalopoda - Nautilida - Cenoceratidae
Full reference: C. Baudouin, G. Delanoy, J. A. Moreno-Bedmar, A. Pictet, J. Vermeulen, G. Conte, R. Gonnet, P. Boselli, and M. Boselli. 2016. Revision of the Early Cretaceous genera Heminautilus Spath, 1927, and Josanautilus Martínez & Grauges, 2006 (Nautilida, Cenoceratidae). Carnets de Géologie 16(5):61-212
Belongs to Heminautilus according to C. Baudouin et al. 2016
Sister taxa: Heminautilus boselliorum, Heminautilus etheringtoni, Heminautilus lallierianus, Heminautilus rangei, Heminautilus sanctaecrucis, Heminautilus saxbii, Heminautilus stantoni, Heminautilus tyosiensis
Type specimen: Its type locality is Sa 203, Sanchu area, upper Ishido Formation, Gunma, which is in a Barremian coastal sandstone in the Ishido Formation of Japan
Ecology: nektobenthic carnivore
Average measurements (in mm): shell diameter 88.8
Distribution:
• Cretaceous of Japan (2 collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.