Trilobites Figured From United States Geological Survey Professional Paper 1047, Physical Stratigraphy and Trilobite Biostratigraphy of the Carrara Formation (Lower and Middle Cambrian) in the Southern Great Basin, by Allison R. Palmer and Robert B. Halley

Trilobites from the Lower-Middle Cambrian Carrara Formation, Death Valley National Park. All specimens are from Plate 15, and greatly magnified. Middle Cambrian Glossopleura zone. Figure 11 is a cranidium from Alokistacarella? cf. A. brighamensis, Echo Canyon section, Funeral Mountains. Figures 15 and 16 are cranidia from an undetermined Ptychocarpid, Funeral Mountains.