UCLA loc. 3083, Mitchell Creek area (Cretaceous of the United States)

Also known as LACMIP loc. 23083

Where: Shasta County, California (40.4° N, 122.7° W: paleocoordinates 40.8° N, 73.8° W)

• coordinate estimated from map

When: Gabbioceras wintunium ammonoid zone, Chickabilly Member (Budden Canyon Formation), Late/Upper Aptian (122.5 - 113.0 Ma)

• Upper Chickabilly Member of the Budden Canyon Formation

•stages based on Fernando, et al., 2011

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by M. A. Murphy in 1951 - 1953; reposited in the LACM

Primary reference: M. A. Murphy. 1956. Lower Cretaceous stratigraphic units of Northern California. Bulletin of the American Association of Petroleum Geologists 40(9):2098-2119 [J. Marcot/J. Marcot]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 216324: authorized by Jonathan Marcot, entered by Jonathan Marcot on 10.12.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Pinnidae
Pinna pontica Anderson 1938 oyster
Cephalopoda
 Phylloceratida - Phylloceratidae
"Phylloceras onoense" = Hypophylloceras onoense
"Phylloceras onoense" = Hypophylloceras onoense Stanton 1895 ammonite
 Ammonitida - Tetragonitidae
"Gabbioceras wintunium" = Eotetragonites wintunius, "Lytoceras argonautarum" = Argonauticeras argonautarum, Gabbioceras angulatum
"Gabbioceras wintunium" = Eotetragonites wintunius Anderson 1938 ammonite
"Lytoceras argonautarum" = Argonauticeras argonautarum Anderson 1902 ammonite
Gabbioceras angulatum Anderson 1902 ammonite