Stansbury Mtns., House Range (Cambrian of the United States)

Where: Utah (40.5° N, 112.6° W: paleocoordinates 5.7° S, 86.8° W)

• coordinate based on nearby landmark

When: Taenicephalus - Saukia trilobite zone, Hellnmaria Member (Notch Peak Formation), Franconian (497.0 - 485.4 Ma)

• "Franconian? B/w Taenicephalus and Saukia zones"

• member-level stratigraphic resolution

Environment/lithology: peritidal; carbonate

• "Ajax Dolomite [in formation line] U.Camb. mollusc-stromatolite community, stromatolitic carbonates, peritidal-carbonate bank, BA1, Great Basin, stable miogecline"

Size classes: macrofossils, mesofossils

Primary reference: B. Runnegar, J., J.r. Pojeta, M. E. Taylor and D. Collins. 1979. New species of the Cambrian and Ordovician chitons Matthevia and Chelodes from Wisconsin and Queensland: evidence for the early history of polyplacophoran mollusks. Journal of Paleontology 53(6):1374-1394 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 253: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Taylor and Palmer 1981. Camb. Symp. Guidebook, Trip 1, pp103-104, 137-138. (see also Runnegar, Pojeta, Taylor and Co[illeg.] 1979" [gastropods only]
Paragastropoda
 Mimospirida - Onychochilidae
Matherella sp. Walcott 1912
"high spired"
Polyplacophora
 Paleoloricata - Mattheviidae
Matthevia variabilis Walcott 1885 chiton