| A trilobite (cephalon missing), "Ehmaniella" sp. from the Middle Cambrian Bonanza King Formation, Trail Canyon, Death Valley National Park. Specimen is Figure 21. |
Fossil Image From United States Geological Survey Professional Paper 494-A Stratigraphy and Structure Death Valley, California by Charles B. Hunt and Don R. Mabey, 1966
| A trilobite (cephalon missing), "Ehmaniella" sp. from the Middle Cambrian Bonanza King Formation, Trail Canyon, Death Valley National Park. Specimen is Figure 21. |