Alternative combinations: Worthenia arizonensis, Worthenia arizonica
Full reference: S. S. Winters. 1963. Supai Formation (Permian) of eastern Arizona. Geological Society of America Memoir 89:1-99
Type specimen: AMNH 28005/3:1, a shell. Its type locality is Cibecue Road, Locality 4, which is in a Kungurian shallow subtidal limestone in the Supai Formation of Arizona.
Average measurements (in mm): shell diameter 4.76
Total: 18 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.