Where: Stanislaus County, California (37.4° N, 121.2° W: paleocoordinates 43.3° N, 97.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Pachydiscus subcompressus ammonoid zone, Garzas Member (Moreno Formation), Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• Late Campanian age given, but Pachydiscus subcompressus considered to be Maastrichtian.
•
•Lower Maastrichtian per Bishop 1970
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified sandstone
Size class: macrofossils
Collected by A. Bennison; reposited in the CAS
Primary reference: W. P. Elder and J. W. Miller. 1993. Map and checklists of Jurassic and Cretaceous macrofossil localities within the San Jose 1:100,000 Quadrangle, California, and discussion of paleontological results. United States Geological Survey Open-File Report 93-503:1-49 [M. Clapham/M. Clapham]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 185404: authorized by Matthew Clapham, entered by Matthew Clapham on 22.04.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Pachydiscus (Pachydiscus) cf. subcompressus" = Pachydiscus subcompressus
"Pachydiscus (Pachydiscus) cf. subcompressus" = Pachydiscus subcompressus Matsumoto 1954 ammonite cf. and ssp. obsoletus
| |
Bivalvia | |
Inoceramus (Endocostea) balticus Bohm 1907 clam | |
"? Indogrammatodon sp." = Grammatodon (Indogrammatodon)
"? Indogrammatodon sp." = Grammatodon (Indogrammatodon) Cox 1937 clam |