A-844 (Eocene of the United States)

Where: Oregon (43.3° N, 123.1° W: paleocoordinates 45.4° N, 107.4° 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 200874: authorized by Mark Uhen, entered by Mark Uhen on 22.04.2019

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Trochoidea - Turbinidae
Homalopoma umpquaensis Merriam and Turner 1937 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea diegoana Conrad 1855 slipper shell
 Cerithioidea - Turritellidae
"Cerithiopsis oregonensis" = Turritella oregonensis, Turritella andersoni
"Cerithiopsis oregonensis" = Turritella oregonensis Conrad 1849 turret shell
Turritella andersoni Dickerson 1916 turret shell
 Neogastropoda - Mitridae
Mitra cf. washingtoniana Weaver 1912 mitre shell
 Neogastropoda - Buccinidae
"Latrius (Peristernia) eocenica" = Nassa eocenica, Siphonalia clarki
"Latrius (Peristernia) eocenica" = Nassa eocenica Weaver 1912 true whelk
Siphonalia clarki Dickerson 1914 true whelk
 Neogastropoda - Fasciolariidae
Latirus roseburgensis Hendon 1938 snail
 Neogastropoda - Volutidae
Lyria andersoni Waring 1917 volute
 Sorbeoconcha - Ficidae
Ficopsis remondii Gabb 1864 fig shell
subspecies crescentensis
 Heterostropha - Architectonicidae
 Neritoidea - Neritidae
"Nerita triangulata" = Nerita (Theliostyla) triangulata
"Nerita triangulata" = Nerita (Theliostyla) triangulata Gabb 1869 snail
subspecies oregonensis
Bivalvia
 Arcida - Glycymerididae
"Glycimeris sagittata" = Glycymerita sagittata, "Glycimeris perrini" = Glycymeris (Tucetona) perrini
"Glycimeris sagittata" = Glycymerita sagittata Gabb 1864 clam
"Glycimeris perrini" = Glycymeris (Tucetona) perrini Dickerson 1916 clam
 Pectinida - Anomiidae
Anomia mcgoniglensis Hanna 1927 jingle
 Mytilida - Mytilidae
 Pholadida - Corbulidae
"Corbula parilis" = Caryocorbula parilis
"Corbula parilis" = Caryocorbula parilis Gabb 1864 clam
 Cardiida - Veneridae
Pelecyora aequilateralis Gabb 1869 venus clam
"Macrocallista (Costacallista) conradiana" = Microcallista (Costacallista) conradiana Gabb 1864 venus clam
subspecies meganosensis
Pitar uvasana Conrad 1855 venus clam
subspecies duprei
Mercimonia bunkeri Hanna 1927 venus clam
 Cardiida - Cardiidae
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum, "Plagiocardium (Schedocardia) brewerii" = Schedocardia brewerii
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
"Plagiocardium (Schedocardia) brewerii" = Schedocardia brewerii Gabb 1864 cockle
 Solenida - Solenidae
 Carditida - Carditidae
"Venericardia aragonia" = Venericardia (Pacificor) aragonia
"Venericardia aragonia" = Venericardia (Pacificor) aragonia Arnold and Hannibal 1914 clam