U.C.L.A. Loc. 5775, Elsmere Canyon [Towsley Fm] (Pliocene of the United States)

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 sandstone in formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, calcareous sandstone

• SPECIFIC LITHOLOGY: Calcareous sandstone. LITHIFICATION: Variably lithified.

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 97402: authorized by Austin Hendy, entered by Austin Hendy on 25.07.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for molluscs. NOMENCLATURE: An authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications.
Bivalvia
 Solenida - Solenidae
Solen cf. sicarius Gould 1850 clam
 Cardiida - Cardiidae
"Trachycardium quadragenarium" = Dallocardia quadragenarium
"Trachycardium quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle
 Cardiida - Psammobiidae
"Gari endentula" = Gari (Gobraeus) fucata
"Gari endentula" = Gari (Gobraeus) fucata Hinds 1845 clam
 Cardiida - Veneridae
Dosinia jacalitosana, "Chione (Anomalocardia) fernandoensis" = Chione (Securella) securis fernandoensis
Dosinia jacalitosana Arnold 1909 venus clam
"Chione (Anomalocardia) fernandoensis" = Chione (Securella) securis fernandoensis English 1914 venus clam
 Lucinida - Lucinidae
"Lucinoma annulata" = Lucinoma annulatum
"Lucinoma annulata" = Lucinoma annulatum Reeve 1850 clam
Gastropoda
 Neotaenioglossa - Calyptraeidae
Calyptraea cf. filosa Gabb 1866 slipper shell
 Neogastropoda - Siphonaliidae
Calicantharus fortis Carpenter 1866 snail
SUBSPECIES: Calicanthus fortis angulatus
 Sorbeoconcha - Naticidae
"Neverita reclusiana" = Glossaulax reclusiana
"Neverita reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail
 Cerithioidea - Turritellidae
Turritella cooperi Carpenter 1864 turret shell