Where: Kern County, California (35.1° N, 119.2° W: paleocoordinates 34.1° N, 108.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: San Emigdio Formation, Priabonian (38.0 - 33.9 Ma)
• From upper 9 m of fossiliferous section below yellow sandstone, near base of San Emigdio Formation. The San Emigdio Formation conformably overlies the Tejon Formation, and is in turn overlain by the Pleito Formation. The San Emigdio Formation has a Late Eocene=refugian age=Priabonian.
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified sandstone
Size class: macrofossils
Reposited in the USGS
Collection methods: quarrying,
• Collected by T.H. Nilson and W.O. Addicott. Collections likely to be reposited at USGS Menlo Park or USNM (not specified).
Primary reference: T. H. Nilsen. 1987. Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio mountains, California. United States Geological Survey Professional Paper 1268:1-110 [A. Miller/A. Hendy/R. McClees-Funinan]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 52799: authorized by Austin Hendy, entered by Austin Hendy on 21.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Epitonium sp. Bolten 1798 wentletrap | |
Siphonalia merriami Wagner and Schilling 1923 true whelk | |
Bruclarkia columbiana Anderson and Martin 1914 snail | |
Bullia clarki Wagner and Schilling 1923 snail | |
Perse sp. Clark 1918 snail | |
? Exilia sp. Conrad 1860 snail | |
Olequahia lorenzana Wagner and Schilling 1923 frog shell | |
"Neverita aff. thomsonae" = Glossaulax reclusiana
"Neverita aff. thomsonae" = Glossaulax reclusiana Deshayes 1839 moon snail | |
Bivalvia | |
Modiolus sp. Lamarck 1801 mussel | |
Amiantis sp. Carpenter 1863 venus clam | |
"Spisula cf. rushi" = Mactromeris rushi, "Spisula cf. packardi" = Pseudocardium packardi
"Spisula cf. rushi" = Mactromeris rushi Wagner and Schilling 1923 clam
"Spisula cf. packardi" = Pseudocardium packardi Dickerson 1917 clam | |
Cardiidae indet. Lamarck 1809 cockle | |
? Yoldia sp. Möller 1842 clam |