Also known as UO 2553
Where: Lane County, Oregon (44.1° N, 123.1° W: paleocoordinates 44.4° N, 110.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Eugene Formation, Priabonian (38.0 - 33.9 Ma)
• Eugene Formation can be subdivided faunally: a lower unit correlating to the Keasey Fm, a middle unit correlating to the Gries Ranch Beds of WA, and a upper unit correlated with the Pittsburg Bluff Fm. Thickness of formation may be up to 15,000 feet, but probably around 5,000 feet. Most of the outcrops are scattered so it is difficult to estimate their relative stratigraphic placement
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, tuffaceous, brown, gray, blue sandstone and tuffaceous, brown, gray, blue siltstone
Size class: macrofossils
Preservation: mold/impression, trace
Reposited in the CAS
Collection methods: quarrying,
• Collections held at University of Oregon, University of California, Californian Academy of Sciences (CAS), United States Geological Survey (USGS), and Stanford University (NP).
Primary reference: C. J. S. Hickman. 1969. The Oligocene marine molluscan fauna of the Eugene Formation in Oregon. University of Oregon Museum of Natural History Bulletin 16:1-112 [A. Miller/A. Hendy/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 39003: authorized by Austin Hendy, entered by Austin Hendy on 18.05.2004, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Scaphopoda | |
Dentalium (? Fissidentalium) laneensis Hickman 1969 tusk shell | |
Bivalvia | |
"Acila (Truncacila) nehalemensis" = Acila nehalemensis
"Acila (Truncacila) nehalemensis" = Acila nehalemensis Hanna 1924 divaricate nutclam Subspecies: Acila (Truncacila) nehalemensis minima
| |
"Nuculana washingtonensis" = Nuculana (Saccella) washingtonensis
"Nuculana washingtonensis" = Nuculana (Saccella) washingtonensis Weaver 1916 pointed nut clam | |
Yoldia (Kalayoldia) oregona Shumard 1858 clam | |
Modiolus eugenensis Clark 1925 mussel | |
"Thracia condoni" = Thracia (Cetothrax) condoni
"Thracia condoni" = Thracia (Cetothrax) condoni Dall 1909 clam | |
Solena (Eosolen) eugenensis Clark 1925 clam
Solen sicarius Gould 1850 clam | |
Mya (? Arenomya) kusiroensis Nagao and Inoue 1941 softshell clam | |
Martesia turnerae clam
Martesia sp. Sowerby 1824 clam | |
Parvicardium eugenense Clark 1925 cockle | |
Semele willamettensis Hickman 1969 clam | |
Macoma (Heteromacoma) vancouverensis, "Macoma aff. inquinata" = Macoma (Macoma) inquinata, Tellina aduncanasa, Tellina sp. n. sp., Tellina (Moerella) lincolnensis, Tellina pittsburgensis
Macoma (Heteromacoma) vancouverensis tellin clam
"Macoma aff. inquinata" = Macoma (Macoma) inquinata Deshayes 1855 tellin clam
Tellina aduncanasa tellin clam
Tellina sp. n. sp. Linnaeus 1758 tellin clam
Tellina (Moerella) lincolnensis Weaver 1916 tellin clam
Tellina pittsburgensis Clark 1925 tellin clam | |
"Pitar (Lamelliconcha) clarki" = Lamelliconcha clarki, Pitar (Pitar) sp. n. sp., Pitar (Pitar) dalli, Macrocallista sp. n. sp.
"Pitar (Lamelliconcha) clarki" = Lamelliconcha clarki Dickerson 1917 venus clam
Pitar (Pitar) sp. n. sp. Römer 1857 venus clam
Pitar (Pitar) dalli Weaver 1916 venus clam
Macrocallista sp. n. sp. Meek 1876 venus clam | |
"Spisula eugenensis" = Mactromeris eugenensis, Pseudocardium sp. n. sp.
"Spisula eugenensis" = Mactromeris eugenensis Clark 1925 clam
Pseudocardium sp. n. sp. Gabb 1866 clam | |
Diplodonta parilis Conrad 1848 clam | |
Gastropoda | |
Epitonium (Boreoscala) condoni Dall 1909 wentletrap Subspecies: Epitonium (Boreoscala) condoni condoni
Acrilla (Ferminoscala) dickersoni Durham 1937 wentletrap
Acrilla (Ferminoscala) becki Durham 1937 wentletrap | |
Natica thomsonae moon snail
Natica (Natica) sp. n. sp. Scopoli 1777 moon snail
Sinum obliquum Gabb 1864 moon snail
Polinices washingtonensis Weaver 1916 moon snail | |
Olequahia schencki Durham 1944 frog shell | |
Ficus modesta Conrad 1848 fig shell | |
"Molopophorus fishii" = Ancilla fishii
"Molopophorus fishii" = Ancilla fishii Gabb 1866 olive snail | |
Procerapex bentsonae Durham 1944 turrid
Gemmula bentsonae Durham 1944 turrid | |
Exilia lincolnensis Weaver 1916 snail | |
"Perse lincolnensis" = Hemifusus lincolnensis
"Perse lincolnensis" = Hemifusus lincolnensis Van Winkle 1918 snail | |
Bruclarkia vokesi, "Bruclarkia columbianum" = Bruclarkia columbiana
Bruclarkia vokesi snail
"Bruclarkia columbianum" = Bruclarkia columbiana Anderson and Martin 1914 snail | |
Crepidula ungana Dall 1908 slipper shell
Calyptraea diegoana Conrad 1855 slipper shell | |
Cylichnina turneri Effinger 1938 snail | |
Scaphander stewarti Durham 1944 snail |