UCMP A3707 (Oligocene of the United States)

Where: Snohomish County, Washington (48.0° N, 122.1° W: paleocoordinates 47.6° N, 113.2° W)

• coordinate based on nearby landmark

When: Blakeley Formation, Chattian (28.1 - 23.0 Ma)

Environment/lithology: marine; sandstone

Size class: macrofossils

Primary reference: J. W. Durham. 1944. Megafaunal zones of the Oligocene of northwestern Washington. University of California Publications in Geological Sciences 27:101 -212 [P. Holroyd/E. Orzechowski]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 208172: authorized by Mark Uhen, entered by Mark Uhen on 22.03.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Cerithioidea - Turritellidae
Turritella diversilineata
Turritella diversilineata Merriam 1897 turret shell
 Epitonioidea - Epitoniidae
Acrilla olympicensis
Acrilla olympicensis Durham 1937 wentletrap
 Neotaenioglossa - Calyptraeidae
Crepidula sookensis
Crepidula sookensis Clark and Arnold 1923 slipper shell
 Neogastropoda - Olividae
"Molopophorus fishii" = Ancilla fishii
"Molopophorus fishii" = Ancilla fishii Gabb 1866 olive snail
 Neogastropoda - Nassariidae
Molopophorus newcombei
Molopophorus newcombei Merriam 1897 snail
 Neogastropoda - Fasciolariidae
"Priscofusus hannibali" = Fusinus (Priscofusus) hannibali
"Priscofusus hannibali" = Fusinus (Priscofusus) hannibali Clark and Arnold 1923 snail
 Neogastropoda - Buccinidae
"Bruclarkia acuminatum" = Agasoma acuminatum, Siphonalia sp.
"Bruclarkia acuminatum" = Agasoma acuminatum Anderson and Martin 1914 true whelk
Siphonalia sp. Adams 1863 true whelk
Bivalvia
 Nuculida - Nuculidae
"Acila muta" = Acila (Truncacila) muta
"Acila muta" = Acila (Truncacila) muta Clark 1918 divaricate nutclam
 Mytilida - Mytilidae
Mytilus sp.
Mytilus sp. Linnaeus 1758 mussel
 Lucinida - Lucinidae
"Lucina acutilineata" = Lucinoma acutilineata
"Lucina acutilineata" = Lucinoma acutilineata Conrad 1849 clam
 Thraciida - Thraciidae
"? Thracia trapezoides" = Thracia (Homoeodesma) trapezoides
"? Thracia trapezoides" = Thracia (Homoeodesma) trapezoides Conrad 1849 clam
 Cardiida - Tellinidae
Tellina oregonensis
Tellina oregonensis Conrad 1848 tellin clam
 Cardiida - Cardiidae
"Clinocardium scapoosensis" = Clinocardium scapoosense
"Clinocardium scapoosensis" = Clinocardium scapoosense Clark 1925 cockle
 Cardiida - Mactridae
"Mactra ramonensis" = Mactromeris ramonensis, "Mactra hannibali" = Mactromeris hannibali
"Mactra ramonensis" = Mactromeris ramonensis Packard 1916 clam
"Mactra hannibali" = Mactromeris hannibali Clark and Arnold 1923 clam
 Cardiida - Veneridae
Macrocallista weaveri
Macrocallista weaveri Clark 1918 venus clam
 Hiatellida - Hiatellidae
"Panope estrellana" = Panopea abrupta, "Glycimeris vancouverensis" = Glycymeris
"Panope estrellana" = Panopea abrupta Conrad 1849 clam
"Glycimeris vancouverensis" = Glycymeris clam