Where: Santa Clara County, California (37.4° N, 122.2° W: paleocoordinates 37.2° N, 121.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Merced Formation, Late/Upper Pliocene (3.6 - 2.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Merced Fm, which overlies the Monterey Shale (Miocene). AGE: Late Pliocene, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From the basal Merced Fm, immediately above contact with Monterey Shale.
• bed-level stratigraphic resolution
Environment/lithology: marine; unlithified, shelly/skeletal sandstone
Size class: macrofossils
• TAPHONOMY: Bed consists principally of broken pelecypod shells.
Collected by Addicott in 1962-1963
Collection methods: surface (in situ),
• COLLECTOR: W.O. Addicott and others, 1962-1963. REPOSITORY: Then USGS, now probably at CAS or UCMP.
Primary reference: W. O. Addicott. 1969. Late Pliocene mollusks from San Francisco Peninsula, California, and their paleogeographic significance. Proceedings of the California Academy of Sciences 37(3):57-93 [A. Hendy/A. Hendy]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 96572: authorized by Austin Hendy, entered by Austin Hendy on 12.06.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Solen cf. sicarius Gould 1850 clam | |
"Protothaca staleyi" = Leukoma staleyi
"Protothaca staleyi" = Leukoma staleyi Gabb 1866 venus clam | |
"Spisula albaria" = Mactromeris albaria
"Spisula albaria" = Mactromeris albaria Conrad 1848 clam | |
Cryptomya californica Conrad 1837 softshell clam | |
"Anadara (Anadara) trilineata" = Anadara trilineata
"Anadara (Anadara) trilineata" = Anadara trilineata Conrad 1856 ark | |
Gastropoda | |
"Mitrella cf. gouldii" = Mitrella gausapata
"Mitrella cf. gouldii" = Mitrella gausapata Gould 1850 snail | |
Nassarius (Caesia) grammatus, "Nassarius (Demondia) californianus" = Caesia californiana
Nassarius (Caesia) grammatus Dall 1917 snail
"Nassarius (Demondia) californianus" = Caesia californiana Conrad 1856 snail | |
"Olivella biplicata" = Callianax biplicata
"Olivella biplicata" = Callianax biplicata Sowerby 1825 olive snail | |
"Cryptonatica aleutica" = Cryptonatica affinis
"Cryptonatica aleutica" = Cryptonatica affinis Gmelin 1791 moon snail |