UCMP loc. A-685, below Lone Rock bridge (Eocene to of the United States)

Where: Oregon (43.3° N, 123.1° W: paleocoordinates 46.6° N, 105.4° W)

• coordinate estimated from map

When: Tyee Formation, Ypresian to Ypresian (56.0 - 41.3 Ma)

• Tyee?

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Primary reference: F. E. Turner. 1938. Stratigraphy and Mollusca of the Eocene of western Oregon. Geological Society of America Special Paper (10)1-130 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 200885: authorized by Mark Uhen, entered by Mark Uhen on 22.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Cerithioidea - Turritellidae
Turritella buwaldana Dickerson 1916 turret shell
subspecies coosensis
Turritella uvasana Conrad 1855 turret shell
subspecies hendoni
 Neogastropoda - Fasciolariidae
Fusinus merriami Dickerson 1916 snail
 Neogastropoda - Clavatulidae
Turricula sp. Schumacher 1817 snail
n. sp.
 Opisthobranchia - Retusidae
Cylichnina tantilla Anderson and Hanna 1925 snail
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana fresnoensis" = Ledina fresnoensis
"Nuculana fresnoensis" = Ledina fresnoensis Dickerson 1916 pointed nut clam
 Pectinida - Propeamussiidae
"Pecten vacavillensis" = Propeamussium interradiatum
"Pecten vacavillensis" = Propeamussium interradiatum Gabb 1869 mud scallop
 Carditida - Crassatellidae
Crassatella uvasana Conrad 1855 clam
subspecies matthewsoni
 Carditida - Carditidae
Venericardia hornii Gabb 1864 clam
subspecies calafia