Where: King and Queen County, Virginia (37.7° N, 77.0° W: paleocoordinates 37.9° N, 74.1° W)
• coordinate estimated from map
When: Calvert Beach Member (Calvert Formation), Serravallian (13.8 - 11.6 Ma)
• Mollusk Zone 12
•
•Zones 14-16A are regarded as Serravallian in age.
Environment/lithology: coastal; diatomaceous, argillaceous siltstone
Size class: macrofossils
Primary reference: L. W. Ward. 1992. Molluscan biostratigraphy of the Miocene Middle Atlantic Coastal Plain of North America. Virginia Museum of Natural History 2 [A. Miller/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 71627: authorized by Mark Uhen, entered by Mark Uhen on 02.05.2007
Creative Commons license: CC BY (attribution)
Taxonomic list
Bacillariophyceae | |
Delphineis angustata diatom
Delphineis novaecaesaraea diatom
Delphineis penelliptica diatom
Rhaphoneis gemmifera diatom | |
Actinoptychus virginicus Grunow 1883 diatom | |
Denticulopsis hustedtii diatom |