Where: Stanislaus County, California (37.5° N, 121.2° W: paleocoordinates 33.5° N, 67.4° W)
• coordinate based on nearby landmark
• hand sample-level geographic resolution
When: Pliensbachian to Pliensbachian (190.8 - 93.9 Ma)
• reworked chert cobble found in Quaternary stream gravels. Age range of Franciscan cherts in the Marin Headlands spans the Pliensbachian through Cenomanian.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, red chert
Size class: macrofossils
Collected by John Hammond in 1940; reposited in the UCMP
Collection methods: surface (float)
Primary reference: C. L. Camp. 1942. Ichthyosaur rostra from central California. Journal of Paleontology 16(3):362-371 [M. Carrano/H. Street]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 185384: authorized by Matthew Clapham, entered by Matthew Clapham on 21.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Ichthyosaurus californicus n. sp.
Ichthyosaurus californicus n. sp. Camp 1942 ichthyosaur |