Cephalopoda - Goniatitida - Karagandoceratidae
Full reference: D. M. Work and W. L. Manger. 2002. Masonoceras, a new karagandoceratid ammonoid from the lower Mississippian (Lower Osagean) of Kentucky. Journal of Paleontology 76(3):574-577
Belongs to Masonoceras according to D. M. Work and C. E. Mason 2005
See also Work and Manger 2002
Sister taxa: Masonoceras bradfordi, Masonoceras rugilobatum
Type specimen: SUI 95340. Its type locality is Farmers Fauna, basal nancy Member, Borden Formation, Kentucky, which is in an Ivorian marine horizon in the Borden Formation of Kentucky.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 18.8
Distribution:
• Carboniferous of United States (5: Kentucky collections)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.