UCMP A3706 (Oligocene of the United States)
Where: Snohomish County, Washington (47.1° N, 122.0° W: paleocoordinates 46.8° N, 113.1° W)
• coordinate based on nearby landmark
When: Blakeley Formation, Chattian (28.1 - 23.0 Ma)
Environment/lithology: marine; sandstone
Size class: macrofossils
Primary reference: J. W. Durham. 1944. Megafaunal zones of the Oligocene of northwestern Washington. University of California Publications in Geological Sciences 27:101 -212 [P. Holroyd/E. Orzechowski]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 208174: authorized by Mark Uhen, entered by Mark Uhen on 22.03.2020
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Bivalvia | |
|
? Pitar arnoldi etheringtoni venus clam | |
"Mactra hannibali" = Mactromeris hannibali
"Mactra hannibali" = Mactromeris hannibali Clark and Arnold 1923 clam | |
|
Corbicula sookensis Clark and Arnold 1923 clam | |
Mytilus stillaguamishensis n. sp.
Mytilus stillaguamishensis n. sp. Weaver 1912 mussel | |
| Gastropoda | |
|
Calyptraea sookensis Clark and Arnold 1923 slipper shell | |
|
Goniobasis sp. Lea snail | |