Alternative combinations: Marathonites jamesperrinsmithi, Stacheoceras (Marathonites) jpsmithi
Full reference: E. Böse. 1919. The Permo-Carboniferous ammonoids of the Glass Mountains, west Texas, and their stratigraphic significance. Texas Bureau of Economic Geology Bulletin 1762:1-241
Type specimen: Its type locality is Wolf Camp, Glass Mountains, which is in a Gzhelian carbonate limestone in the Gaptank Formation of Texas
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 20.4
• Permian of Japan (1 collection)
• Carboniferous of United States (1: Texas)
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.