Where: Los Angeles County, California (33.7° N, 118.3° W: paleocoordinates 33.7° N, 118.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: 2nd terrace Member (Quaternary terrace Formation), Late/Upper Pleistocene (0.1 - 0.0 Ma)
• LITHOSTRATIGRAPHY: From the marine terraces older than the Palos Verdes Sand of Woodring et al. (1946). AGE: Lower Pleistocene in Berry (1922) [now considered late Pleistocene, A. Hendy]. STRATIGRAPHIC POSITION: Second terrace.
• bed-level stratigraphic resolution
Environment/lithology: shoreface; unlithified, conglomeratic sandstone
Size classes: macrofossils, mesofossils
Preservation: original aragonite, original calcite
Collected by E.P. Chace & E.M. Chace in 1919; reposited in the USGS, USNM
Collection methods: surface (float), surface (in situ)
• COLLECTOR: E.P. Chace & E.M. Chace, 1991. REPOSITORY: SBMNH.
Primary reference: S. S. Berry. 1922. Fossil chitons of Western North America. Proceedings of the California Academy of Sciences 11(18):399-526 [M. Uhen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 222973: authorized by Austin Hendy, entered by Austin Hendy on 31.10.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Polyplacophora | |
Mopalia lignosa Gould 1846 chiton
Mopalia ciliata Sowerby 1840 chiton
Placiphorella velata Carpenter 1879 chiton | |
Tonicella lineata, "Ischnochiton cooperi" = Lepidozona cooperi, "Ischnochiton magdalenensis" = Stenoplax magdalenensis
Tonicella lineata Wood 1815 lined red chiton
"Ischnochiton cooperi" = Lepidozona cooperi Carpenter 1879 chiton
"Ischnochiton magdalenensis" = Stenoplax magdalenensis Hinds 1845 magdalena chiton |