A-689 (Eocene of the United States)

Where: Oregon (43.3° N, 123.1° W: paleocoordinates 47.3° N, 104.1° W)

• coordinate estimated from map

When: Roseburg Formation (Umpqua Group), Ypresian (56.0 - 47.8 Ma)

• originally lower Umpqua Formation

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 200748: authorized by Mark Uhen, entered by Mark Uhen on 15.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Cerithioidea - Turritellidae
? Turritella merriami Dickerson 1913 turret shell
 Neogastropoda - Volutidae
Volutocorbis oregonensis Turner 1938 volute
 Sorbeoconcha - Naticidae
"Amaurellina hendoni" = Tejonia moragai
"Amaurellina hendoni" = Tejonia moragai Stewart 1927 moon snail
 Opisthobranchia - Cylichnidae
Bivalvia
 Mytilida - Mytilidae