†Spencia quadrata Fritz 1968 (trilobite)
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Trilobita - Ptychopariida - Ptychopariidae
Full reference: W. H. Fritz. 1968. Lower and early Middle Cambrian trilobites from the Pioche Shale, East-Central Nevada, U.S.A. Palaeontology 11:36-43
Belongs to Spencia according to W. H. Fritz 1968
Sister taxa: Spencia plena, Spencia typicalis, Stauroholcus typicalis
Type specimen: USNM 153610, a cephalon/head (cranidium). Its type locality is Pioche Shale, Bed 11, which is in a Delamaran carbonate shale/limestone in the Pioche Shale Formation of Nevada.
Ecology: fast-moving low-level epifaunal carnivore
Distribution: found only at Pioche Shale, Bed 11
Specimen images are retrieved through the ePANDDA API.
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