Where: Merced County, California (37.2° N, 121.1° W: paleocoordinates 43.3° N, 96.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Mustang Creek Member (Moreno Formation), Maastrichtian (72.1 - 66.0 Ma)
• Originally misentered as Merced formation.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, sandy limestone
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 185758: authorized by Matthew Clapham, entered by Matthew Clapham on 12.05.2017, edited by Jonathan Marcot
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
? Rhynchonellida indet. Kuhn 1949 | |
Cephalopoda | |
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Bivalvia | |
Ostrea sp. Linnaeus 1758 oyster | |
"Opisoma pacifica n. sp." = Opis (Hesperopis) triangulata1
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Gastropoda | |
Biplica multiplicata snail | |
? Margaritella sp. Meek and Hayden 1860 snail | |
Naticidae indet. Guilding 1834 moon snail | |
? Drilluta sp. Wade 1916 snail | |
Perissityidae indet. Popenoe and Saul 1987 snail
? Zinsitys sp. Saul 1988 snail | |
Pyktes sp. Popenoe 1983 snail |