Where: San Diego County, California (33.4° N, 116.1° W: paleocoordinates 33.2° N, 115.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Latrania Sand Member (Imperial Formation), Early/Lower Pliocene (5.3 - 3.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Latrania Sand Mbr of Imperial Fm, which is overlain by the Canebrake Conglomerate. AGE: Pliocene, on the basis of molluscan biostratigraphy; placed by enterer in Early Pliocene based on existing collections and similarity with Late Miocene assemblages in California. STRATIGRAPHIC POSITION: From unknown position within member.
• bed-level stratigraphic resolution
Environment/lithology: coastal; lithified, medium-grained, coarse, yellow sandstone
Size class: macrofossils
Preservation: replaced with calcite
Collected by Bramkamp in 1935; reposited in the UCMP
• COLLECTORS: R. Bramkamp, 1937. REPOSITORY: UCMP.
Primary reference: C. L. Powell. 2008. Pliocene Invertebrates From the Travertine Point Outcrop of the Imperial Formation, Imperial County, California. United States Geological Survey Scientific Investigations 2008(5155):1-25 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 96553: authorized by Austin Hendy, entered by Austin Hendy on 11.06.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
Clypeaster sp. Lamarck 1801 sand dollar | |
Toxopneustes cf. roseus sea urchin | |
Bivalvia | |
Strophocardia megastropha Gray 1825 clam | |
Dosinia cf. semiobliterata Deshayes 1853 venus clam | |
Lucinisca nuttalli Conrad 1837 clam Spelt in table "Lucina nuttalli", in text as "Lucinisca nuttalli"
Codakia distinguenda Tryon 1872 clam
Miltha xantusi Dall 1903 clam
Pegophysema edentuloides Verrill 1901 clam | |
"Glycymeris gigantea" = Glycymeris (Glycymeris) gigantea
"Glycymeris gigantea" = Glycymeris (Glycymeris) gigantea Reeve 1843 clam | |
Barbatia sp. Gray 1842 clam
Arca "sp. B" Linnaeus 1758 ark | |
Euvola cf. keepi Arnold 1906 scallop
Argopecten sp. Monterosato 1889 calico scallop | |
? Pycnodonte heermanni Conrad 1855 oyster | |
Gastropoda | |
Strombus galeatus Swainson 1823 conch |