USGS M8735, Del Puerto Canyon (Cretaceous of the United States)

Also known as 91E-21

Where: Stanislaus County, California (37.5° N, 121.2° W: paleocoordinates 43.6° N, 90.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Panoche Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by W.P. Elder in 1991; reposited in the USGS

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 185397: authorized by Matthew Clapham, entered by Matthew Clapham on 21.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
 Myalinida - Inoceramidae
 Cardiida - Veneridae
Calva sp. Popenoe 1937 venus clam
 Naticoidea - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Ammonitida - Placenticeratidae
 Ammonitida - Gaudryceratidae
"Gaudryceras cf. denmanense" = Lytoceras (Gaudryceras) denmanense
"Gaudryceras cf. denmanense" = Lytoceras (Gaudryceras) denmanense Whiteaves 1903 ammonite
 Ammonitida - Baculitidae
Baculites anceps Lamarck 1822 ammonite
ssp. pacificus
 Elasmobranchii -
Elasmobranchii indet. Bonaparte 1838 elasmobranch
"Shark tooth"