Butte Creek 1 (Oligocene of the United States)

Where: Marion County, Oregon (45.0° N, 122.6° W: paleocoordinates 44.7° N, 113.6° W)

• coordinate estimated from map

When: Chattian (28.1 - 23.0 Ma)

Environment/lithology: marine; lithified, tuffaceous siltstone

• well indurated tuffaceous siltstones

Size class: macrofossils

Preservation: original phosphate

Collection methods: quarrying, surface (in situ),

Primary reference: W. N. Orr and J. Faulhaber. 1975. A middle Tertiary cetacean from Oregon. Northwest Science 49(3):174-181 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 57052: authorized by Mark Uhen, entered by Mark Uhen on 01.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Cardiida - Mactridae
"Spisula pittsburgensis" = Mactromeris pittsburgensis
"Spisula pittsburgensis" = Mactromeris pittsburgensis Clark 1925 clam
 Cardiida - Veneridae
"Pitar clarki" = Lamelliconcha clarki
"Pitar clarki" = Lamelliconcha clarki Dickerson 1917 venus clam
 Thraciida - Thraciidae
"Thracia condoni" = Thracia (Cetothrax) condoni
"Thracia condoni" = Thracia (Cetothrax) condoni Dall 1909 clam
 Lucinida - Lucinidae
Lucinoma acutilineata Conrad 1849 clam
 Nuculida - Nuculidae
"Acila shumardi" = Acila (Truncacila) shumardi
"Acila shumardi" = Acila (Truncacila) shumardi Dall 1909 divaricate nutclam
 Protobranchia - Nuculanidae
"Nuculana washingtonensis" = Litorhadia washingtonensis
"Nuculana washingtonensis" = Litorhadia washingtonensis Weaver 1916 pointed nut clam
 Ptenoglossa - Epitoniidae
"Epitonium condoni" = Epitonium (Boreoscala) condoni
"Epitonium condoni" = Epitonium (Boreoscala) condoni Dall 1909 wentletrap
 Neogastropoda - Ptychatractidae
Exilia lincolnensis Weaver 1916 snail
 Naticoidea - Naticidae
Polinices washingtonensis Weaver 1916 moon snail
 Calyptraeoidea - Calyptraeidae
Calyptraea diegoana Conrad 1855 slipper shell
 Cetacea - Aetiocetidae
Aetiocetus cf. cotylalveus Emlong 1966 whale