Calvert Cliffs Nuclear Power Plant, Zone 17 (Miocene of the United States)
Where: Prince Georges County, Maryland (38.4° N, 76.4° W: paleocoordinates 38.6° N, 73.6° W)
• coordinate estimated from map
When: Drumcliff Member (Choptank Formation), Serravallian (13.8 - 11.6 Ma)
Environment/lithology: shoreface; sandstone
• Mollusk-dense pale yellow-brown to pale orange well-sorted sand; sub-tropical to temperate, in a current-swept channel-like basin
Size class: macrofossils
Preservation: original phosphate
Primary reference: S. J. Godfrey and A. J. Fuller. 2005. Fossil beaked whales (Ziphiidae) from Calvert Cliffs. Bugeye Times 30(2):1-10 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 70546: authorized by Mark Uhen, entered by Mark Uhen on 28.03.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
unclassified | |
Stephanogonia | |
Biddulphia | |
Biddulphia semicircularis1 Brightwel 1853
Biddulphia tuomeyi1 Bailey 1844 | |
Hemiaulus | |
| |
Pleurosigma | |
| |
Periptera tetracladia | |
Periptera tetracladia1 Ehrenberg 1845 | |
Bacillariophyceae | |
| |
| |
| |
| |
Coscinodiscus marginatus1, Coscinodiscus radiatus1, Coscinodiscus oculusiridis1, Coscinodiscus curvatulus1, Coscinodiscus apiculatus1, Coscinodiscus perforatus1, Coscinodiscus rothii1, Coscinodiscus inclusus1, Coscinodiscus vetustissimus1, Craspedodiscus coscinodiscus1
| |
| |
| |
| |
| |
| |
Xanthiopyxis microspinosa n. sp.1
| |
| |
| |
| |
| |
| |
| |
Chondrichthyes | |
| |
Mammalia | |
Ziphiidae indet. Gray 1850 beaked whale | |
| |
Grammatophora | |
Grammatophora angulosa1 Ehrenberg 1841 |