UCMP loc. A-838 (Eocene of the United States)

Where: Oregon (43.0° N, 123.9° W: paleocoordinates 47.0° N, 105.0° 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 200796: 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
Bivalvia
 Mytilida - Mytilidae
Brachiodontes cowlitzensis
 Arcida - Glycymerididae
"Glycymeris sagittata" = Glycymeris (Glycymerita) sagittata
"Glycymeris sagittata" = Glycymeris (Glycymerita) sagittata Gabb 1864 clam
 Carditida - Crassatellidae
Crassatella uvasana
Crassatella uvasana Conrad 1855 clam
subspecies matthewsoni
 Lucinida - Lucinidae
"Lucina packi" = Gibbolucina (Eomiltha) packi
"Lucina packi" = Gibbolucina (Eomiltha) packi Dickerson 1916 clam
 Cardiida - Cardiidae
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
 Cardiida - Tellinidae
"Tellina jollaensis" = Tellina (Angulus) jollaensis
"Tellina jollaensis" = Tellina (Angulus) jollaensis Dickerson 1916 tellin clam
 Cardiida - Psammobiidae
"Gari hornii" = Gari (Gobraeus) hornii
"Gari hornii" = Gari (Gobraeus) hornii Gabb 1864 clam
subspecies umpquaensis
 Cardiida - Veneridae
"cf. Isocardia tejonensis" = Nitidavenus tejonensis, Pitar uvasana, "Macrocallista (Costacallista) conradiana" = Microcallista (Costacallista) conradiana
"cf. Isocardia tejonensis" = Nitidavenus tejonensis Waring 1914 venus clam
Pitar uvasana Conrad 1855 venus clam
subspecies coquillensis
"Macrocallista (Costacallista) conradiana" = Microcallista (Costacallista) conradiana Gabb 1864 venus clam
subspecies meganosensis
 Cardiida - Mactridae
"Spisula merriami" = Mactromeris merriami
"Spisula merriami" = Mactromeris merriami Packard 1916 clam
subspecies longifrons
 Nuculanida - Nuculanidae
Nuculana parkei
Nuculana parkei Anderson and Hanna 1925 pointed nut clam
n. subspecies coosensis
Gastropoda
 Trochoidea - Turbinidae
Homalopoma wattsi
Homalopoma wattsi Dickerson 1916 snail
 Opisthobranchia - Cylichnidae
Scaphander (Mirascapha) costatus
 Cerithioidea - Turritellidae
Turritella brankampi n. sp., ? Turritella uvasana, Turritella buwaldana
Turritella brankampi n. sp. turret shell
? Turritella uvasana Conrad 1855 turret shell
subspeices hendoni
Turritella buwaldana Dickerson 1916 turret shell
subspecies coosensis
 Sorbeoconcha - Naticidae
Polinices (Euspira) nuciformis, Sinum obliquuum
Polinices (Euspira) nuciformis Gabb 1864 moon snail
Sinum obliquuum moon snail
 Sorbeoconcha - Ficidae
Ficopsis remondii, Ficopsis meganosensis
Ficopsis remondii Gabb 1864 fig shell
subspecies crescentensis
Ficopsis meganosensis Clark and Woodford 1927 fig shell
subspecies packardi
 Neogastropoda - Volutidae
"Cryptochorda californica" = Cryptochorda (Cryptochorda) californica
"Cryptochorda californica" = Cryptochorda (Cryptochorda) californica Cooper 1894 volute
 Sorbeoconcha - Strombidae
"Rimella (Macilentos) macilenta" = Ectinochilus (Macilentos) macilentus
"Rimella (Macilentos) macilenta" = Ectinochilus (Macilentos) macilentus White 1889 true conch
subspecies oregonensis
 Sorbeoconcha - Cassidae
Galeodea sutterensis
Galeodea sutterensis Dickerson 1916 snail