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Preble Fm. (Cambrian of the United States)

Where: Nevada (38.9° N, 117.9° W: paleocoordinates 2.6° S, 95.4° W)

• coordinate based on political unit

When: Bonnia - Olenellus zone, Preble Formation, Caerfai (530.0 - 513.0 Ma)

• "L. Cambrian (Bonnia-Olenellus zone)"

Environment/lithology: marine; lithology not reported

• "ss and ls, outer shelf, miogeocline, BA5"

Size class: macrofossils

Primary reference: W. S. McKerrow. 1978. Ordovician and Silurian changes in sea level. Journal of the Geological Society 136:137-144 [M. Uhen/J. Ju] more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 190: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)