Where: Kern County, California (35.4° N, 119.8° W: paleocoordinates 34.0° N, 111.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Wygal Sandstone Member (Temblor Formation), Late/Upper Oligocene (28.4 - 23.0 Ma)
• STRATIGRAPHIC RELATIONS: From Wygal Sst Mbr which regionally overlies the Cymric Shale and is overlain by the Santos Shale of the lower (type) Temblor Fm (Late Oligocene-Middle Miocene). Collection from base of member, where it unconformably overlies the Eocene Point of Rocks Sandstone. THICKNESS: From bed of unknown thickness within member that ranges between 20 and 40 ft in thickness. AGE: Late Oligocene; lower Zemorian foraminiferal staghe, Blakeley molluscan stage. STRATIGRAPHIC POSITION: Unknown position within member.
• bed-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; lithified, concretionary, shelly/skeletal sandstone
Size class: macrofossils
Collected by H. S. Sonneman and W. O. Addicott in 1968; reposited in the USNM
Collection methods: surface (in situ),
Primary reference: W. O. Addicott. 1973. Oligocene molluscan biostratigraphy and paleontology of the Lower Part of the type Temblor Formation, California. United States Geological Survey Professional Paper 791:1-48 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 219735: authorized by Jonathan Marcot, entered by Jonathan Marcot on 20.04.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Here excavata Carpenter 1857 clam
Lucinoma acutilineata Conrad 1849 clam | |
"Spisula cf. albaria" = Mactromeris albaria, "Spisula cf. rushi" = Mactromeris rushi
"Spisula cf. albaria" = Mactromeris albaria Conrad 1848 clam
"Spisula cf. rushi" = Mactromeris rushi Wagner and Schilling 1923 clam | |
"Crassostrea eldridgei" = Crenostrea eldridgei
"Crassostrea eldridgei" = Crenostrea eldridgei Arnold 1907 oyster as ssp. Crassostrea eldridgei ynezana
| |
Anadara (Anadara) submontereyana Clark 1918 ark | |
"Crenomytilus cf. arnoldi" = Mytilus (Mytilus) arnoldi
"Crenomytilus cf. arnoldi" = Mytilus (Mytilus) arnoldi Clark 1918 mussel | |
Gastropoda | |
Bruclarkia seattlensis Durham 1944 snail | |
Ficus cf. modesta Conrad 1848 fig shell | |
"Neverita (Glossaulax) thomsonae" = Glossaulax reclusiana
"Neverita (Glossaulax) thomsonae" = Glossaulax reclusiana Deshayes 1839 moon snail |