UCLA loc. 5758, Elsmere Canyon [Towsley Fm] (Pliocene of the United States)

Also known as LACMIP loc. 25758

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 unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified, calcareous sandstone

• SPECIFIC LITHOLOGY: Calcareous coarse-grained 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 97230: authorized by Austin Hendy, entered by Austin Hendy on 20.07.2010

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.
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium neohexagonum Sharp and Pilsbry 1897 tusk shell
Gastropoda
 Heterostropha - Pyramidellidae
Turbonilla sp. Risso 1826 snail
 Pseudomelanoidea - Pseudomelaniidae
 Cerithioidea - Turritellidae
Turritella cooperi Carpenter 1864 turret shell
 Vanikoroidea - Eulimidae
"Balcis rutila" = Polygireulima rutila
"Balcis rutila" = Polygireulima rutila Carpenter 1864 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea filosa Gabb 1866 slipper shell
Crepidula nummaria Gould 1846 slipper shell
Crepidula adunca Sowerby 1824 slipper shell
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
 Neogastropoda - Muricidae
Thais cf. lamellosa Gmelin 1791 murex snail
 Neogastropoda - Mitridae
"Mitra idae" = Mitra (Atrimitra) idae
"Mitra idae" = Mitra (Atrimitra) idae Melville 1893 mitre shell
 Neogastropoda - Siphonaliidae
Calicantharus fortis Carpenter 1866 snail
SUBSPECIES: Calicanthus fortis angulatus
 Neogastropoda - Nassariidae
Nassarius iniquus Stewart 1940 snail
"Nassarius stocki" = Nassarius (Catilon) stocki Kanakoff 1956 snail
 Neogastropoda - Columbellidae
Mitrella gausapata Gould 1850 snail
 Neogastropoda - Drilliidae
 Neogastropoda - Mangeliidae
"Mangelia interlirata" = Perimangelia interfossa
"Mangelia interlirata" = Perimangelia interfossa Carpenter 1864 snail
 Neogastropoda - Turridae
 Neogastropoda - Terebridae
Terebra martini English 1914 auger snail
 Neogastropoda - Conidae
"Conus californicus" = Californiconus californicus
"Conus californicus" = Californiconus californicus Reeve 1844 cone shell
 Neogastropoda - Cancellariidae
Cancellaria planospira, "Cancellaria fernandoensis" = Euclia fernandoensis, "Admete rhyssa" = Admete gracilior
"Cancellaria fernandoensis" = Euclia fernandoensis Arnold 1907 snail
"Admete rhyssa" = Admete gracilior Gabb 1869 admete
 Sorbeoconcha - Naticidae
"Neverita reclusiana" = Glossaulax reclusiana
"Neverita reclusiana" = Glossaulax reclusiana Deshayes 1839 moon snail
 Sorbeoconcha - Elachisinidae
Boetica hertleini Kanakoff 1966 snail
 Sorbeoconcha - Littorinidae
Lacuna sp. Turton 1827 periwinkle
 Sorbeoconcha - Procerithiidae
"Bittium cf. rugatum" = Lirobittium rugatum
"Bittium cf. rugatum" = Lirobittium rugatum Carpenter 1866 snail
 Trochoidea - Turbinidae
Astraea gradata, "Margarites pupillus" = Pupillaria pupilla
Astraea gradata Grant and Gale 1931 snail
"Margarites pupillus" = Pupillaria pupilla Gould 1849 snail
 Opisthobranchia - Cylichnidae
Acteocina aff. culcitella Gould 1853 barrel-bubble
Bivalvia
 Nuculanida - Nuculanidae
"Nuculana taphria" = Saccella taphria
"Nuculana taphria" = Saccella taphria Dall 1896 pointed nut clam
 Nuculida - Nuculidae
"Acila castrensis" = Acila (Truncacila) castrensis
"Acila castrensis" = Acila (Truncacila) castrensis Hinds 1843 divaricate nutclam
 Pectinida - Pectinoidae
Patinopecten lohri Hertlein 1927 scallop
 Lucinida - Lucinidae
"Lucinisca nuttallii" = Lucinisca nuttalli, "Lucinoma annulata" = Lucinoma annulatum
"Lucinisca nuttallii" = Lucinisca nuttalli Conrad 1837 clam
"Lucinoma annulata" = Lucinoma annulatum Reeve 1850 clam
 Cardiida - Veneridae
"Chione (Anomalocardia) fernandoensis" = Chione (Securella) securis fernandoensis
"Chione (Anomalocardia) fernandoensis" = Chione (Securella) securis fernandoensis English 1914 venus clam
 Cardiida - Cardiidae
"Trachycardium quadragenarium" = Dallocardia quadragenarium
"Trachycardium quadragenarium" = Dallocardia quadragenarium Conrad 1837 cockle
 Cardiida - Tellinidae
"Macoma indentata" = Macoma (Rexithaerus) indentata
"Macoma indentata" = Macoma (Rexithaerus) indentata Carpenter 1864 tellin clam
 Hiatellida - Hiatellidae
Panopea generosa Gould 1850 clam
 Solenida - Solenidae
Solen sicarius Gould 1850 clam
 Carditida - Carditidae
"Cyclocardia californica" = Coanicardita californica
"Cyclocardia californica" = Coanicardita californica Dall 1903 clam
Chondrichthyes
 Lamniformes - Lamnidae
"Carcharodon sulcidens" = Carcharodon carcharias, "Isurus hastalis" = Carcharodon hastalis
"Carcharodon sulcidens" = Carcharodon carcharias Linnaeus 1758 great white shark
"Isurus hastalis" = Carcharodon hastalis Agassiz 1838 white shark