Cephalopoda - Ammonitida - Polyptychitidae
Alternative combinations: Olcostephanus michalskii, Polyptychites michalskii
Belongs to Polyptychites (Polyptychites) according to P. Alsen 2006
See also Bogomolov 1989 and Jeletzky and Kemper 1988
Sister taxa: Polyptychites (Polyptychites) ascendens, Polyptychites (Polyptychites) beani, Polyptychites (Polyptychites) conferticosta, Polyptychites (Polyptychites) keyserlingi, Polyptychites (Polyptychites) plenus, Polyptychites (Polyptychites) polyptychus, Polyptychites (Polyptychites) ramulicosta, Polyptychites (Polyptychites) rawsoni, Polyptychites (Polyptychites) robertsi, Polyptychites (Polyptychites) tuberculatus
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 47.2
Distribution:
• Cretaceous of Greenland (2 collections), Poland (1), the Russian Federation (3)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.