| Ammonoids of the genus Cravenoceras from the Upper Mississippian Perdido Formation, Rest Spring Gulch, Death Valley National Park. All specimens are from Plate 3; they are slightly larger than natural size, except where indicated. |
Ammonoids And Orthocone Nautiloids Figured From United States Geological Survey Professional Paper 483-A California Carboniferous Cephalopods by Mackenzie Gordon Jr., 1964
| Ammonoids of the genus Cravenoceras from the Upper Mississippian Perdido Formation, Rest Spring Gulch, Death Valley National Park. All specimens are from Plate 3; they are slightly larger than natural size, except where indicated. |
