Where: Esmeralda County, Nevada (37.7° N, 117.5° W: paleocoordinates 1.0° S, 93.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Eokochaspis nodosa trilobite zone, Emigrant Formation, Delamaran (511.2 - 506.5 Ma)
• 1.75 to 9.5m above base of Emigrant Formation; Eokochaspis nodosa Biozone of Lowermost Middle Cambrian
• group of beds-level stratigraphic resolution
Environment/lithology: offshore shelf; lithified, argillaceous mudstone
Size class: macrofossils
Preservation: mold/impression
Reposited in the USNM
Collection methods: bulk,
Primary reference: F. A. Sundberg and L.B. McCollum. 2003. Early and Mid Cambrian Trilobites from the Outer-shelf Deposits of Nevada and California, USA. Palaeontology 46(5):945-986 [W. Kiessling/B. Brenneis]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 69279: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 23.02.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Eokochaspis ? piochensis Palmer and Halley 1979 trilobite total of 14 cranidia from USNM loc. 41951-41953
|