Cephalopoda - Goniatitida - Pericyclidae
Full reference: M., J.r. Gordon. 1986. Late Kinderhookian (Early Mississippian) ammonoids of the western United States. Journal of Paleontology 60(Supplement):1-36
Belongs to Pericyclus (Goniocyclus) according to M., Jr. Gordon 1986
Sister taxa: Pericyclus (Goniocyclus) blairi, Pericyclus (Goniocyclus) cooperi, Pericyclus (Goniocyclus) costulatus, Pericyclus (Goniocyclus) decipiens, Pericyclus (Goniocyclus) filaris, Pericyclus (Goniocyclus) rockymontanus
Type specimen: USNM 377544, a shell. Its type locality is USGS 27544-PC, which is in a Kinderhookian/Ivorian marine horizon in the Davis Spring Formation of Nevada.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 21.5
Distribution:
• Carboniferous of United States (3: Nevada collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.