Alternative combinations: Olcostephanus rectangulatus, Siberites rectangulatus
See also Bogomolov 1989
Sister taxa: none
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 42.4
Total: 12 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.