Where: Los Angeles County, California (34.4° N, 118.5° W: paleocoordinates 34.1° N, 117.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Towsley Formation, Early/Lower Pliocene (5.3 - 3.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Towsley Fm, which unconformably overlies Eocene strata, and is overlain by the Pico Fm (Pliocene). AGE: Early Pliocene, on the basis of macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From basal conglomerate in formation.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified conglomerate
Size class: macrofossils
Collected by Kern
Collection methods: bulk, surface (in situ),
• COLLECTOR: J.P. Kern, c. 1970's. REPOSITORY: UCLA, California.
Primary reference: J. P. Kern. 1973. Early Pliocene marine climate and environment of the eastern Ventura Basin, Southern California. University of California Publications in Geological Sciences 96:1-117 [A. Hendy/A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 97241: authorized by Austin Hendy, entered by Austin Hendy on 20.07.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Crepidula adunca Sowerby 1824 slipper shell
Calyptraea cf. filosa Gabb 1866 slipper shell | |
"Bittium cf. rugatum" = Lirobittium rugatum
"Bittium cf. rugatum" = Lirobittium rugatum Carpenter 1866 snail | |
"Neverita reclusiana" = Glossaulax reclusiana
"Neverita reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail | |
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell | |
Terebra martini English 1914 auger snail | |
"Olivella pedroana" = Callianax pedroana, Olivella aff. gracilis
"Olivella pedroana" = Callianax pedroana Conrad 1855 olive snail
Olivella aff. gracilis Broderip and Sowerby 1829 olive snail | |
Nassarius whitneyi Trask 1922 snail
Nassarius iniquus Stewart 1940 snail | |
Mitrella gausapata Gould 1850 snail | |
Littorina sp. Ferussac 1821 periwinkle | |
? Tricolia sp. Risso 1826 snail | |
Bulla cf. punctulata Adams 1850 snail | |
Acteocina aff. culcitella Gould 1853 barrel-bubble | |
"Acmaea cf. digitalis" = Lottia digitalis
"Acmaea cf. digitalis" = Lottia digitalis Eschscholtz 1833 limpet | |
"Acteon punctocaelatus" = Rictaxis punctocaelatus
"Acteon punctocaelatus" = Rictaxis punctocaelatus Carpenter 1864 snail | |
Bivalvia | |
"Barbatia cf. bailyi" = Acar bailyi
"Barbatia cf. bailyi" = Acar bailyi Bartsch 1931 miniature ark | |
"Lucinisca nuttallii" = Lucinisca nuttalli, Miltha xantusi
"Lucinisca nuttallii" = Lucinisca nuttalli Conrad 1837 clam
Miltha xantusi Dall 1903 clam | |
Cryptomya californica Conrad 1837 softshell clam | |
Macoma nasuta, "Macoma indentata" = Macoma (Rexithaerus) indentata, "Tellina idae" = Idatellina idae
Macoma nasuta Conrad 1837 tellin clam
"Macoma indentata" = Macoma (Rexithaerus) indentata Carpenter 1864 tellin clam
"Tellina idae" = Idatellina idae Dall 1891 tellin clam | |
"Tivela stultorum" = Tivela (Pachydesma) stultorum, Amiantis callosa
"Tivela stultorum" = Tivela (Pachydesma) stultorum Mawe 1823 venus clam
Amiantis callosa Conrad 1837 venus clam | |
"Mactra cf. dolabriformis" = Simomactra dolabriformis
"Mactra cf. dolabriformis" = Simomactra dolabriformis Conrad 1867 clam | |
Solen sicarius Gould 1850 clam | |
"Periploma planiuscula" = Periploma (Periploma) planiuscula
"Periploma planiuscula" = Periploma (Periploma) planiuscula Sowerby I 1834 clam | |
Scaphopoda | |
"Dentalium cf. rectius" = Rhabdus rectius
"Dentalium cf. rectius" = Rhabdus rectius Carpenter 1864 tusk shell |