Location #67-54 - Tecolote West (Rincon Fm) (Oligocene of the United States)

Where: Santa Barbara County, California (34.0° N, 120.0° W: paleocoordinates 32.6° N, 111.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Member (Rincon Formation), Chattian (28.1 - 23.0 Ma)

• From near base of section, in lower Rincon Formation, from uppermost Zemorian. Zemorian=middle to late Oligocene.

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified, black, brown, gray mudstone

• Offshore siliciclastic environment.
• Highly fractured dark brown, gray, to black weathering mudstone and siltstone.

Size class: macrofossils

Collection methods: quarrying,

• Collected by Avila and Weaver (1967). Not sure of any repositories.

Primary reference: D. E. Weaver. 1969. Geology of the Northern Channel Islands. American Association of Petroleum Geologists - Pacific Section [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 52384: authorized by Austin Hendy, entered by Austin Hendy on 04.08.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Nomenclature appears reasonable. Unsure of identifier.
Bivalvia
 Pectinida - Pectinoidae
"Pecten miguelensis" = Lyropecten miguelensis
"Pecten miguelensis" = Lyropecten miguelensis Arnold 1906 scallop
Gastropoda
 Neogastropoda - Muricidae
Rapana vaquerosensis Arnold 1908 murex snail
 Sorbeoconcha - Turritellidae
Turritella ocoyana Conrad 1855 turret shell
Turritella temblorensis Wiedey 1928 turret shell