Trilobita - Ptychopariida - Ptychopariidae
Full reference: F. A. Sundberg and L.B. McCollum. 2003. Trilobites of the lower Middle Cambrian Poliella denticulata biozone (new) of southeastern Nevada. Journal of Paleontology 77(2):331-359
Belongs to Onchocephalites according to F. A. Sundberg and L.B. McCollum 2003
Sister taxa: Onchocephalites laevis, Onchocephalites permingeati
Type specimen: USNM 517520. Its type locality is USNM 41985, Split Mountain, Clayton Ridge, which is in a Delamaran offshore shelf lime mudstone/lime mudstone in the Emigrant Formation of Nevada.
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Delamaran of United States (29: California, Nevada collections)
Total: 29 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.