Fossil Lake Sample Site A-2 (Eocene of the United States)

Also known as Lewis Ranch Quarry; Locality A of Grande and Buchheim

Where: Lincoln County, Wyoming (41.8° N, 110.8° W: paleocoordinates 46.9° N, 94.5° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Fossil Butte Member (Green River Formation), Wasatchian (55.8 - 50.3 Ma)

• "late early Eocene"

•"approximately 10 m above the strata sampled at site A-1, and approximately 3 m above the 'K-spar' tuff layer"

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; lithology not reported

• "there may have been periods of fluctuating salinity and depth... [contains] a typical near-shore fish fauna"
• none given

Size class: macrofossils

Preservation: adpression

Collected by T. R. Finger in 1993, 1995

Collection methods: quarrying,

Primary reference: T. R. Finger. 1998. A comparison of fish community structure along several paleoenvironments of Eocene Fossil Lake, Wyoming: a preliminary report. National Park Service Paleontological Research Vol. 3 Technical Report NPS/NRGRD/GRDTR-98/1 81-83 [J. Alroy/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 74616: authorized by John Alroy, entered by John Alroy on 16.08.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Perciformes - Percidae
Mioplosus sp. Cope 1877 perch
 Clupeiformes - Clupeoidei
Knightia sp. Jordan 1907 hering
 Ellimmichthyiformes - Ellimmichthyidae
Diplomystus sp. Cope 1877