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: Float from unknown position within formation.
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, calcareous sandstone
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 97401: authorized by Austin Hendy, entered by Austin Hendy on 25.07.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
"Bittium cf. rugatum" = Lirobittium rugatum
"Bittium cf. rugatum" = Lirobittium rugatum Carpenter 1866 snail | |
Lacuna sp. Turton 1827 periwinkle | |
"Neverita reclusiana" = Glossaulax reclusiana
"Neverita reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail | |
Clathrodrillia coalingensis Arnold 1909 snail | |
Megasurcula carpenteriana Gabb 1866 turrid | |
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell | |
Mitrella gausapata Gould 1850 snail | |
Calicantharus humerosus Gabb 1869 snail | |
Nassarius iniquus Stewart 1940 snail | |
"Cancellaria planospira" = Cancellaria obesa planospira
"Cancellaria planospira" = Cancellaria obesa planospira Grant, IV and Gale 1931 snail | |
Forreria cf. belcheri Hinds 1843 murex snail | |
Calyptraea cf. filosa Gabb 1866 slipper shell | |
Turritella cooperi Carpenter 1864 turret shell | |
Bivalvia | |
"Lithophaga cf. plumula" = Lithophaga (Diberus) plumula
"Lithophaga cf. plumula" = Lithophaga (Diberus) plumula Hanley 1844 mussel | |
"Trachycardium cf. quadragenarium" = Dallocardia quadragenarium
"Trachycardium cf. quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle | |
"Macoma indentata" = Macoma (Rexithaerus) indentata
"Macoma indentata" = Macoma (Rexithaerus) indentata Carpenter 1864 tellin clam | |
"Chione (Anomalocardia) fernandoensis" = Chione (Securella) securis fernandoensis
"Chione (Anomalocardia) fernandoensis" = Chione (Securella) securis fernandoensis English 1914 venus clam | |
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam |