Horsehead Cliffs, Zone 17-18 (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: Drumcliff Member (Choptank Formation), Serravallian (13.8 - 11.6 Ma)
Environment/lithology: estuary or bay; diatomaceous, gray, blue claystone
• Fine-grained sand and silt of deeper, stiller water (than most of zone 17 beach) possibly inner-bay waters, shallow neritic open-shelf marine
• 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 71817: authorized by Mark Uhen, entered by Mark Uhen on 11.05.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Reptilia | |
"Crocodilia indet." = Crocodylia
"Crocodilia indet." = Crocodylia Owen 1842 crocodilian | |
| Mammalia | |
|
Mesocetus pusillus whale | |
|
Merychippus sp. Leidy 1856 horse | |