A-829 (Eocene of the United States)

Where: Oregon (43.0° N, 123.9° W: paleocoordinates 45.2° N, 108.2° W)

• coordinate estimated from map

When: Flournoy Formation (Umpqua Group), Lutetian (47.8 - 41.3 Ma)

• originally upper 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 200911: authorized by Mark Uhen, entered by Mark Uhen on 23.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Mytilida - Mytilidae
"Mytilus dichotomus" = Brachidontes (Brachidontes) cooperi
"Mytilus dichotomus" = Brachidontes (Brachidontes) cooperi Moore 1983 mussel
 Ostreida - Ostreidae
 Cardiida - Tellinidae
"Tellina cf. joaquinensis" = Tellina (Angulus) joaquinensis
"Tellina cf. joaquinensis" = Tellina (Angulus) joaquinensis Arnold 1909 tellin clam
 Cardiida - Veneridae
Gastropoda
 Sorbeoconcha - Naticidae
Ampulina (Crommium) andersoni Dickerson 1914 moon snail
 Cerithioidea - Melanopsidae
? Loxotrema turritum Gabb 1869 snail
 Cerithioidea - Potamididae
Potamides carbonicola Cooper 1894 horn snail
 Neritoidea - Neritidae
"Nerita triangulata" = Nerita (Theliostyla) triangulata
"Nerita triangulata" = Nerita (Theliostyla) triangulata Gabb 1869 snail
subspecies oregonensis