Trilobita - Olenida - Pterocephaliidae

Full reference: A. R. Palmer. 1960. Trilobites of the Upper Cambrian Dunderberg Shale, Eureka District, Nevada. United States Geological Survey Professional Paper 334-C:53-107

Belongs to Prehousia according to M. J. Hopkins 2011

See also Palmer 1960

Sister taxa: Prehousia alata, Prehousia diverta, Prehousia impolita, Prehousia indenta, Prehousia prima

Type specimen: USNM 136868, a cephalon/head (cranidium)

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at Nopah Formation, Sample 2294-CO, Member A (Cambrian of Nevada)

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Specimen images are retrieved through the ePANDDA API.