U.C.L.A. Loc. L-2055, Elsmere Canyon [Towsley Fm]: Early/Lower Pliocene, California
collected by Kern

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Trochidae
Calliostoma aff. gemmulatum Carpenter 1864
1 specimen
Gastropoda - Neotaenioglossa - Calyptraeidae
Calyptraea filosa (Gabb 1866)
3 specimens
Gastropoda - Turritellidae
Turritella cooperi Carpenter 1864
30 specimens
Gastropoda - Neogastropoda - Nassariidae
Nassarius inquus
5 specimens
Gastropoda - Neogastropoda - Drilliidae
Clathrodrillia coalingensis (Arnold 1909)
1 specimen
Gastropoda - Neogastropoda - Terebridae
Terebra martini English 1914
3 specimens
Gastropoda - Neogastropoda - Turridae
Megasurcula carpenteriana (Gabb 1866)
3 specimens
Gastropoda - Neogastropoda - Cancellariidae
Cancellaria fernandoensis Arnold 1907
Hendy et al. 2008 1 specimen
recombined as Euclia fernandoensis
Cancellaria planospira
1 specimen
Gastropoda - Naticidae
Neverita reclusiana (Deshayes 1839)
29 specimens
recombined as Glossaulax reclusiana
Gastropoda - Procerithiidae
Bittium cf. rugatum Carpenter 1866
1 specimen
recombined as Lirobittium rugatum
Bivalvia - Arcida - Arcidae
Anadara trilineata (Conrad 1856)
13 specimens
Bivalvia - Pectinida - Pectinidae
Patinopecten lohri (Hertlein 1927)
4 specimens
Bivalvia - Pholadida - Teredinidae
Bankia cf. setacea (Tryon 1863)
1 specimen
Bivalvia - Pholadida - Myidae
Cryptomya californica (Conrad 1837)
3 specimens
Bivalvia - Cardiida - Veneridae
Chione (Anomalocardia) fernandoensis (English 1914)
124 specimens
recombined as Chione (Securella) securis fernandoensis
Bivalvia - Cardiida - Tellinidae
Tellina idae Dall 1891
9 specimens
recombined as Idatellina idae
Macoma indentata Carpenter 1864
16 specimens
recombined as Macoma (Rexithaerus) indentata
Bivalvia - Solenida - Solenidae
Solen sicarius Gould 1850
2 specimens
Bivalvia - Nuculida - Nuculidae
Acila castrensis (Hinds 1843)
97 specimens
recombined as Acila (Truncacila) castrensis
Bivalvia - Nuculanida - Nuculanidae
Nuculana taphria (Dall 1896)
39 specimens
recombined as Saccella taphria
Bryozoa
Bryozoa indet. (Ehrenberg 1831)
1 specimen
Echinoidea - Clypeasteroida - Echinarachniidae
Astrodapsis fernandoensis Pack 1909
unclassified
Vertebrata indet. Lamarck 1801
see common names

Geography
Country:United States State/province:California County:Los Angeles
Coordinates: 34.4° North, 118.5° West (view map)
Paleocoordinates:34.1° North, 117.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Pliocene
Stage:Zanclean 10 m.y. bin:Cenozoic 6
Key time interval:Early/Lower Pliocene
Age range of interval:5.33300 - 3.60000 m.y. ago
Stratigraphy
Formation:Towsley
Stratigraphic resolution:bed
Stratigraphy comments: 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 unknown position within formation.
Lithology and environment
Primary lithology: poorly lithified silty,calcareous sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Calcareous silty sandstone. LITHIFICATION: Variably lithified.
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Spatial orientation:preferred
Collection methods and comments
Collection methods:bulk,surface (in situ),field collection
Reason for describing collection:paleoecologic analysis
Collectors:Kern
Collection method comments: COLLECTOR: J.P. Kern, c. 1970's. REPOSITORY: UCLA, California.
Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: An authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications.
Metadata
Database number:97208
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2010-07-19 19:39:00 Last modified:2013-11-25 13:37:23
Access level:the public Released:2010-07-19 19:39:00
Creative Commons license:CC BY
Reference information

Primary reference:

33152. 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]

Secondary references:

19909 A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]