UCLA loc. 5758, Elsmere Canyon [Towsley Fm]: Early/Lower Pliocene, California
collected by Kern

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Nuculanida - Nuculanidae
Nuculana taphria (Dall 1896)
92 specimens
recombined as Saccella taphria
Bivalvia - Nuculida - Nuculidae
Acila castrensis (Hinds 1843)
7 specimens
recombined as Acila (Truncacila) castrensis
Bivalvia - Pectinida - Pectinidae
Patinopecten lohri (Hertlein 1927)
1 specimen
Bivalvia - Carditida - Carditidae
Cyclocardia californica (Dall 1903)
6 specimens
recombined as Coanicardita californica
Bivalvia - Solenida - Solenidae
Solen sicarius Gould 1850
4 specimens
Bivalvia - Hiatellida - Hiatellidae
Panopea generosa Gould 1850
4 specimens
Bivalvia - Cardiida - Cardiidae
Trachycardium quadragenarium (Conrad 1837)
3 specimens
recombined as Dallocardia quadragenarium
Bivalvia - Cardiida - Tellinidae
Macoma indentata Carpenter 1864
3 specimens
recombined as Macoma (Rexithaerus) indentata
Bivalvia - Cardiida - Veneridae
Chione (Anomalocardia) fernandoensis (English 1914)
54 specimens
recombined as Chione (Securella) securis fernandoensis
Bivalvia - Lucinida - Lucinidae
Lucinisca nuttallii (Conrad 1837)
9 specimens
recombined as Lucinisca nuttalli
Lucinoma annulata (Reeve 1850)
1 specimen
recombined as Lucinoma annulatum
Scaphopoda - Dentaliida - Dentaliidae
Dentalium neohexagonum Sharp and Pilsbry 1897
5 specimens
Gastropoda - Opisthobranchia - Cylichnidae
Acteocina aff. culcitella (Gould 1853)
5 specimens
Gastropoda - Heterostropha - Pyramidellidae
Turbonilla sp. Risso 1826
4 specimens
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula adunca Sowerby 1824
61 specimens
Crepidula nummaria Gould 1846
1 specimen
Calyptraea filosa (Gabb 1866)
3 specimens
Gastropoda - Procerithiidae
Bittium cf. rugatum Carpenter 1866
5 specimens
recombined as Lirobittium rugatum
Gastropoda - Elachisinidae
Boetica hertleini Kanakoff 1966
3 specimens
Gastropoda - Littorinidae
Lacuna sp. Turton 1827
249 specimens
Gastropoda - Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799
1 specimen
Gastropoda - Neogastropoda - Muricidae
Thais cf. lamellosa Gmelin 1791
4 specimens
Gastropoda - Neogastropoda - Cancellariidae
Admete rhyssa Dall 1919
Hendy et al. 2008 18 specimens
synonym of Admete gracilior
Cancellaria planospira
1 specimen
Cancellaria fernandoensis Arnold 1907
Hendy et al. 2008 3 specimens
recombined as Euclia fernandoensis
Gastropoda - Neogastropoda - Drilliidae
Clavus aff. pallidus
6 specimens
Gastropoda - Neogastropoda - Conidae
Conus californicus Reeve 1844
93 specimens
recombined as Californiconus californicus
Gastropoda - Neogastropoda - Mangeliidae
Mangelia interlirata Stearns 1872
1 specimen
synonym of Perimangelia interfossa
Gastropoda - Neogastropoda - Terebridae
Terebra martini English 1914
48 specimens
Gastropoda - Neogastropoda - Turridae
Taranis incultus
5 specimens
Gastropoda - Neogastropoda - Nassariidae
Nassarius inquus
174 specimens
Nassarius stocki Kanakoff 1956
72 specimens
recombined as Nassarius (Catilon) stocki
Gastropoda - Neogastropoda - Columbellidae
Mitrella gausapata (Gould 1850)
77 specimens
Gastropoda - Neogastropoda - Siphonaliidae
Calicantharus humerosus
8 specimens
Calicantharus fortis (Carpenter 1866)
4 specimens
SUBSPECIES: Calicanthus fortis angulatus
Gastropoda - Neogastropoda - Mitridae
Mitra idae Melville 1893
1 specimen
recombined as Mitra (Atrimitra) idae
Gastropoda - Naticidae
Neverita reclusiana (Deshayes 1839)
312 specimens
recombined as Glossaulax reclusiana
Gastropoda - Eulimidae
Balcis rutila (Carpenter 1864)
4 specimens
recombined as Polygireulima rutila
Gastropoda - Pseudomelaniidae
Crassispira aff. montereyensis
21 specimens
Gastropoda - Turritellidae
Turritella cooperi Carpenter 1864
74 specimens
Gastropoda - Turbinidae
Margarites pupillus (Gould 1849)
227 specimens
recombined as Pupillaria pupilla
Astraea gradata Grant and Gale 1931
5 specimens
Chondrichthyes - Lamniformes - Lamnidae
Carcharodon sulcidens (Agassiz 1835)
2 specimens
synonym of Carcharodon carcharias
Isurus hastalis (Agassiz 1838)
1 specimen
recombined as Carcharodon hastalis
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 calcareous sandstone
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Calcareous coarse-grained 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
Also known as:LACMIP loc. 25758
Database number:97230
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:J. Marcot Research group:marine invertebrate
Created:2010-07-20 19:08:51 Last modified:2021-03-04 14:28:11
Access level:the public Released:2010-07-20 19:08:51
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]