Lower Cambrian. See also the Saline Valley Formation, Mule Springs Limestone, Poleta Formation, and the Campito Formation.
Bonnia caperata Palmer, 1964
[Goldfieldia pacifica] = Lancastria pacifica (Palmer, 1964)
Ogygopsis batis (Walcott, 1916)
Paedumias granulata Palmer, 1964
Stephenaspis avitus Palmer, 1964
Wanneria walcottana (Wanner, 1901)
Zacanthopsina eperephes Palmer, 1964
Zacanthopsis contractus Palmer, 1964
plus four additional species as yet undescribed.
This Formation occurs within the Bonnia-Olenellus Zone and is bounded by the Poleta Formation (below) and the Saline Valley Formation (above). See also the White-Inyo Mountains Trilobite Zones. The trilobite genera Olenellus, Fremontia, and "protolenid" have also been reported from this formation.
Palmer, A. R. (1964) An unusual Lower Cambrian trilobite faunule from Nevada. in Contributions to Paleontology, Geological Survey Professional Paper 483-F, pp. 1-13, 3 pls.