A-690 (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 200792: authorized by Mark Uhen, entered by Mark Uhen on 19.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Opisthobranchia - Cylichnidae
Scaphander (Mirascapha) costatus
 Neotaenioglossa - Calyptraeidae
Calyptraea diegoana
Calyptraea diegoana Conrad 1855 slipper shell
 Sorbeoconcha - Naticidae
"Amaurellina hendoni n. sp." = Tejonia moragai
"Amaurellina hendoni n. sp." = Tejonia moragai Stewart 1927 moon snail
 Neogastropoda - Volutidae
"Cryptochorda californica" = Cryptochorda (Cryptochorda) californica, Volutocorbis oregonensis n. sp.
"Cryptochorda californica" = Cryptochorda (Cryptochorda) californica Cooper 1894 volute
Volutocorbis oregonensis n. sp. Turner 1938 volute
 Sorbeoconcha - Cassidae
Galeodea sp.
Galeodea sp. Link 1807 snail
 Sorbeoconcha - Ficidae
Ficopsis remondii
Ficopsis remondii Gabb 1864 fig shell
subspecies crescentensis
Bivalvia
 Mytilida - Mytilidae
Brachiodontes cowlitzensis
 Arcida - Glycymerididae
"Glycymeris sagittata" = Glycymeris (Glycymerita) sagittata
"Glycymeris sagittata" = Glycymeris (Glycymerita) sagittata Gabb 1864 clam
 Cardiida - Cardiidae
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
 Cardiida - Psammobiidae
"Gari hornii" = Gari (Gobraeus) hornii
"Gari hornii" = Gari (Gobraeus) hornii Gabb 1864 clam
n. subsp. umpquaensis