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 Pachyaspis according to A. R. Palmer and R. B. Halley 1979
See also Fritz 1968
Sister taxa: Pachyaspis benxiensis, Pachyaspis deborra, Pachyaspis isabella, Pachyaspis longa
Type specimen: USNM 153603, a cephalon/head (cranidium). Its type locality is Pioche Shale, Bed 14, which is in a Delamaran carbonate shale/limestone in the Pioche Shale Formation of Nevada.
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Delamaran of United States (7: Nevada collections)
Total: 7 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.