Where: Imperial County, California (32.8° N, 116.0° W: paleocoordinates 32.6° N, 114.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Imperial Formation, Messinian to Messinian (7.2 - 3.6 Ma)
• Age and Formation after Boessenecker et al 2019.
•STRATIGRAPHIC RELATIONS: From the Imperial Formation, for which lithostratigraphic relationships are not discussed. AGE: Early Pliocene, based on existing (more recent) collections. STRATIGRAPHIC POSITION: From unknown position within formation.
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified sandstone
Size class: macrofossils
Collected by Bowers in 1904; reposited in the USGS
Collection methods: bulk,
• COLLECTORS: S. Bowers, 1904. REPOSITORY: USGS.
Primary reference: G. D. Hanna. 1926. Paleontology of Coyote Mountain, Imperial County, California. Proceedings of the California Academy of Sciences 14(18):427-503 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 96541: authorized by Austin Hendy, entered by Austin Hendy on 11.06.2010, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Gastropoda | |
Crucibulum spinosum Conrad 1855 slipper shell | |
"Fasciolaria princeps" = Triplofusus princeps
"Fasciolaria princeps" = Triplofusus princeps Sowerby 1825 snail | |
Malea ringens Swainson 1822 tun shell | |
"Bullaria striata" = Bulla striata
"Bullaria striata" = Bulla striata Bruguiére 1792 snail | |
Bivalvia | |
"Anomia subcostata" = Anomia peruviana
"Anomia subcostata" = Anomia peruviana d'Orbigny 1846 jingle | |
"Pecten mendenhalli" = Argopecten mendenhalli, "Pecten keepi" = Euvola keepi, "Pecten carrizoensis" = Flabellipecten carrizoensis
"Pecten mendenhalli" = Argopecten mendenhalli Arnold 1906 calico scallop
"Pecten keepi" = Euvola keepi Arnold 1906 scallop
"Pecten carrizoensis" = Flabellipecten carrizoensis Arnold 1906 scallop | |
"Pinna mendenhalli n. sp." = Pinna (Pinna) mendenhalli, Pinna latrania n. sp.
"Pinna mendenhalli n. sp." = Pinna (Pinna) mendenhalli Hanna 1926 oyster
Pinna latrania n. sp. Hanna 1926 oyster | |
"Ostrea vespertina" = Dendostrea vespertina
"Ostrea vespertina" = Dendostrea vespertina Conrad 1855 oyster | |
Codakia colpoica Dall 1901 clam | |
Echinoidea | |
Clypeaster bowersi Weaver 1908 sand dollar | |
Encope tenuis Kew 1914 sand dollar | |
Chondrichthyes | |
Otodus megalodon Agassiz 1835 megalodon |