Dugway Range, 36.61m, LACMIP 15541 (Cambrian of the United States)

Where: Juab County, Utah (39.9° N, 113.1° W: paleocoordinates 4.7° S, 91.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Ehmaniella trilobite zone, Trailer Formation, Delamaran (511.2 - 506.5 Ma)

• Altiocullus subzone, Cambrian stage 5

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified limestone

Size class: macrofossils

Preservation: cast

Primary reference: F. A. Sundberg. 1994. Corynexochida and Ptychopariida (Trilobita, Arthropoda) of the Ehmaniella biozone (Middle Cambrian), Utah and Nevada. Contributions in Science 446:1-137 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 134111: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Ptychopariidae
? Spencella utahensa Sundberg 1994 trilobite
 Ptychopariida - Alokistocaridae
Chanciaopsis heteromorphos Sundberg 1994 trilobite
 Ptychopariida -
Yuknessaspis benningtonis convexus Sundberg 1994 trilobite
 Olenida - Asaphiscidae
Glyphaspis concavus Sundberg 1994 trilobite
 Corynexochida - Zacanthoididae
Parkaspis drumensis Sundberg 1994 trilobite
 Corynexochida - Oryctocephalidae
Tonkinella breviceps Kobayashi 1934 trilobite