Where: Los Angeles County, California (34.4° N, 118.6° W)
• Paleocoordinates: 34.9° N, 117.3° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Pico Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)
• basal unit of the shoreface deposits (e.g., localities 7750, 17777, and 17778).
Environment/lithology: shoreface; silty sandstone
•
•"This unit (Figs. 3–5) is a 3-m-thick, lens-shaped bed of silty very fine sandstone with scattered small cobbles and oysters with paired valves, pectinids, and rare anomid bivalves."
Size classes: macrofossils, mesofossils
Collected by Squires, Groves, Smith; reposited in the LACM
Primary reference: R. L. Squires, L. T. Groves, and J. T. Smith. 2006. New information on molluscan paleontology and depositional environments of the Upper Pliocene Pico Formation, Valencia area, Los Angeles County, southern California. Contributions in Science, Los Angeles County Museum of Natural History 511(33859):1-24more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 238620: authorized by Jonathan Marcot, entered by Jonathan Marcot on 30.01.2025
Creative Commons license: CC0 (CC0)
Taxonomic list
| Mammalia | |
|
| |
| Gastropoda | |
|
Asperiscala cf. minuticosta de Boury 1912 wentletrap | |
| Bivalvia | |
|
Lyropecten catalinae Arnold 1906 scallop
Argopecten invalidus Hanna 1924 calico scallop | |
|
Myrakeena veatchii Gabb 1866 oyster | |
| Gymnolaemata | |
|
Microporella sp. Hincks 1877 | |
| Demospongiae | |
|
? Cliona sp. demosponge | |