Where: Kern County, California (35.0° N, 119.3° W: paleocoordinates 34.0° N, 108.3° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: San Emigdio Formation, Priabonian (38.0 - 33.9 Ma)
• Heteromacoma bed 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: 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 52800: authorized by Austin Hendy, entered by Austin Hendy on 21.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
"Heteromacoma rostellata" = Psammotreta (Leporimetis) rostellata
"Heteromacoma rostellata" = Psammotreta (Leporimetis) rostellata Clark 1918 tellin clam |