Gastropoda - Murchisoniina - Lophospiridae
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
Belongs to Biarmeaspira according to A. V. Mazaev 2017
See also Bachman and Meyers 1969, Batten 1989 and Winters 1963
Sister taxa: Biarmeaspira angulata, Biarmeaspira jusupovi, Biarmeaspira mazaevi, Biarmeaspira multilineata, Biarmeaspira murchisoniaeformis, Biarmeaspira penea, Biarmeaspira striata, Biarmeaspira verideclinata, Biarmeaspira yakowlewi
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
Distribution:
• Permian of United States (18: Arizona, New Mexico, Texas collections)
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.