UCMP A3693 (Oligocene of the United States)
Where: Clallam County, Washington (48.2° N, 124.1° W: paleocoordinates 47.8° N, 114.4° W)
• coordinate based on political unit
When: Twin Rivers Formation, Oligocene (33.9 - 23.0 Ma)
Environment/lithology: marine; lithology not reported
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 208178: 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 | |
"Yoldia temblorensis" = Yoldia (Yoldia) temblorensis
"Yoldia temblorensis" = Yoldia (Yoldia) temblorensis Anderson and Martin 1914 clam | |
"Pecten fucanus" = Vertipecten fucanus
"Pecten fucanus" = Vertipecten fucanus Dall 1898 scallop | |
|
Anadara osmonti Dall 1909 ark | |
"Thyasira cf. disjuncta" = Conchocele bisecta
"Thyasira cf. disjuncta" = Conchocele bisecta Conrad 1849 clam | |
"Lucina acutilineata" = Lucinoma acutilineata
"Lucina acutilineata" = Lucinoma acutilineata Conrad 1849 clam | |
"Panope estrellana" = Panopea abrupta
"Panope estrellana" = Panopea abrupta Conrad 1849 clam | |
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides
"Thracia trapezoides" = Thracia (Homoeodesma) trapezoides Conrad 1849 clam | |
"Chione clallamensis" = Securella clallamensis, Marcia angusifrons
"Chione clallamensis" = Securella clallamensis Reagan 1909 venus clam | |
"Venericardia subtenta" = Cyclocardia subtenta
"Venericardia subtenta" = Cyclocardia subtenta Conrad 1849 clam | |
| Gastropoda | |
|
Sinum scopulosum Conrad 1849 moon snail | |
"Miopleiona "sp. B"" = Fulgoraria (Miopleiona)
"Miopleiona "sp. B"" = Fulgoraria (Miopleiona) Dall 1907 volute | |