Where: Santa Cruz County, California (37.2° N, 122.1° W: paleocoordinates 35.6° N, 113.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: San Lorenzo Formation, Oligocene (33.9 - 23.0 Ma)
• Stratigraphically 443 feet below top of San Lorenzo formation, 3 feet above stream level, in dark gray, massive siltstone.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified siltstone
Size class: macrofossils
Reposited in the UCMP
Primary reference: F. R. Sullivan. 1962. Foraminifera from the type section of the San Lorenzo Formation, Santa Cruz County, California. University of California Publications in Geological Sciences 37(4):233-352 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185216: authorized by Matthew Clapham, entered by Matthew Clapham on 17.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
| Foraminifera | |
|
Gaudryina sp. d'Orbigny 1839
Gaudryina laevigata Franke 1914
Cyclammina cf. incisa Stache 1864
Cyclammina clarki Hanna 1923 | |
| Globothalamea | |
|
Nodogenerina sanctaecrucis Kleinpell 1938
Nodogenerina advena Cushman and Laiming 1931 | |
|
Cibicides pseudoungerianus Cushman 1922 | |
|
Anomalina californiensis Cushman and Hobson 1935 | |
|
| |
|
Eponides kleinpelli Cushman and Frizzell 1940 | |
| Nodosariata | |
|
Lagena strumosa Reuss 1858
Robulus warmani Barbat and von Estorff 1933
Robulus simplex d'Orbigny 1846 | |
|
Plectofrondicularia vaughani Cushman 1927 | |
| Foraminifera | |
|
Cassidulina crassipunctata Cushman and Hobson 1935 | |
|
Pseudoglandulina ovata Cushman and Applin 1926 | |
|
Plectina cf. ruthenica Reuss 1851 | |
|
? Discammina eocenica Mllory 1959 | |
|
Buliminella subfusiformis Cushman 1925 | |