UCMP A3709 (Oligocene of the United States)

Where: King County, Washington (47.6° N, 122.1° W: paleocoordinates 47.2° 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 208175: authorized by Mark Uhen, entered by Mark Uhen on 22.03.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neogastropoda - Fasciolariidae
"? Priscofusus hannibali" = Fusinus (Priscofusus) hannibali
"? Priscofusus hannibali" = Fusinus (Priscofusus) hannibali Clark and Arnold 1923 snail
 Sorbeoconcha - Naticidae
"Natica teglandae" = Natica (Naticarius) teglandi
"Natica teglandae" = Natica (Naticarius) teglandi Hanna and Hertlein 1938 moon snail
Bivalvia
 Cardiida - Mactridae
"Mactra ramonensis" = Mactromeris ramonensis
"Mactra ramonensis" = Mactromeris ramonensis Packard 1916 clam
subspecies attenuata
 Cardiida - Veneridae
Macrocallista weaveri Clark 1918 venus clam
 Hiatellida - Hiatellidae
"Panope cf. generosa" = Panopea generosa
"Panope cf. generosa" = Panopea generosa Gould 1850 clam
 Solenida - Solenidae
Solen clallamensis Clark and Arnold 1923 clam
 Mytilida - Mytilidae
Mytilus sammamishensis Weaver 1912 mussel
"? Mytilus mathewsonii" = Crenomytilus mathewsoni Gabb 1866 mussel
 Nuculida - Nuculidae
Acila sp. Adams and Adams 1858 divaricate nutclam