Rare Fallotaspis Trilobite from Inyo-White Mountains

Name: Fallotaspis sp.

Class Trilobita, Trilobite Order Redlichiida, Suborder Olenellina, Superfamily Fallotaspidoidea, Family Fallotaspidae

Geological Time: Lower Cambrian

Size: 23 mm

Fossil Site: Campito Formation, Inyo-White Mountains, Eastern California

This rare trilobite is a member of Suborder Olenellina, Superfamily Fallotaspidoidea, Family Fallotaspidae. The genus Fallotaspis is cited by Fortey (2000) as containing the oldest trilobite in the fossil record. The Campito Formation is a 1300 m thick sequence of siliciclastic rocks with extensive outcrops in both Western Nevada and Eastern California. The stratigraphic range is accordingly large, varying from the Late Precambrian to the Early Cambrian.

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.

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