Horsehead Cliffs, Zone 14 (Miocene of the United States)
Also known as Westmoreland State Park
Where: Westmoreland County, Virginia (38.2° N, 76.9° W: paleocoordinates 38.4° N, 74.0° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Calvert Beach Member (Calvert Formation), Serravallian (13.8 - 11.6 Ma)
• Zones 14-16A are regarded as Serravallian in age.
Environment/lithology: foreshore; diatomaceous, gray, blue claystone
• sparse molluscs, low in diversity; subtropical environment in embayment and dry onshore; area not far from shore, bay, short-term eustatic transgression events, long-term regression trend
• blue-gray diatomaceous clay
Size class: macrofossils
Primary reference: M. D. Uhen. 2007. USNM Chesapeake Group Cetacean Collection Data. [M. Uhen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 71806: authorized by Mark Uhen, entered by Mark Uhen on 10.05.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Mammalia | |
"Leptophoca lenis" = Leptophoca proxima
"Leptophoca lenis" = Leptophoca proxima Van Beneden 1876 seal | |
|
Parietobalaena palmeri Kellogg 1924 whale | |
| Osteichthyes | |
|
Acipenser sp. Linnaeus 1758 sturgeon | |