UCMP 3607 - South bank of Cowlitz River at old Gries Ranch (Oligocene of the United States)

Also known as UW 239; Gries Ranch of Washington

Where: Lewis County, Washington (47.7° N, 123.0° W: paleocoordinates 47.3° N, 112.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Barbatia merriami other zone, Gries Ranch Horizon Member (Lincoln Formation), Early/Lower Oligocene (33.9 - 28.4 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; fine-grained, tuffaceous, gray sandstone

• Fine-grained gray tuffaceous sandstone

Size classes: macrofossils, mesofossils

Collected by W. L. Effinger in 1930s.; reposited in the LACM, UCMP

Primary reference: N. M. Tegland. 1931. The gastropod genus Galeodea in the Oligocene of Washington. University of California Publications in Geological Sciences 19(18):397-434 [P. Wagner/K. Koverman/K. Koverman]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40733: authorized by Pete Wagner, entered by Kimberly Koverman on 28.06.2004, edited by Pete Wagner, Mihaela Krause, Patricia Holroyd and Erica Clites

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Patellogastropoda - Lottiidae
Erginus vaderensis2 Lindberg 1979 limpet
 Cypraeoidea - Pediculariidae
Cypraeogemmula warnerae4 Effinger 1938 snail
 Tonnoidea - Cassidae
"Galeodea dalli" = Echinophoria dalli
"Galeodea dalli" = Echinophoria dalli Dickerson 1917 snail
 Basommatophora - Siphonariidae
Polyplacophora
 Neoloricata - Ischnochitonidae
Stenoplax "sp. A"1 Carpenter 1879 chiton
Stenoplax "sp. B"1 Carpenter 1879 chiton
Ischnochiton "sp. A"1 Gray 1847 chiton