Where: Los Angeles County, California (34.4° N, 118.5° W: paleocoordinates 36.9° N, 101.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Juncal Formation, Early/Lower Eocene (55.8 - 48.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Juncal Fm, which unconformably overlies pre-Tertiary gneiss and granitic basement, and is overlain by the Towsley Fm (Pliocene). AGE: late Early Eocene, on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: From near the base of the section.
• bed-level stratigraphic resolution
Environment/lithology: submarine fan; lithified, pebbly sandstone
Size class: macrofossils
Preservation: mold/impression
Collected by Walker et al in 2003-2006; reposited in the LACM
Collection methods: surface (float), surface (in situ),
• COLLECTOR: S. Walker, J. Alderson, and R. Squires, 2003-2006. REPOSITORY: LACMIP, Los Angeles.
Primary reference: R. L. Squires. 2008. Eocene megapaleontology, stratigraphy, and depositional environments, Elsmere Canyon, Los Angeles County, California. Contributions in Science (517)1-16 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 111552: authorized by Austin Hendy, entered by Austin Hendy on 25.06.2011, edited by Katherine Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Gastropoda | |
Solariella walkeri n. sp.
Solariella walkeri n. sp. Squires 2008 snail | |
Homalopoma wattsi Dickerson 1916 snail | |
Diodora sp. Gray 1821 snail | |
Calyptraea diegoana Conrad 1855 slipper shell | |
Turritella andersoni Dickerson 1916 turret shell | |
Eocernina hannibali Dickerson 1914 snail
Pachycrommium clarki Stewart 1927 snail | |
"Ectinochilus (Macilentos) macilentus" = Rimella macilenta
"Ectinochilus (Macilentos) macilentus" = Rimella macilenta White 1889 true conch | |
Olivella mathewsonii Gabb 1864 olive snail | |
? Molopophorus cf. aequicostatus Vokes 1939 snail | |
"Cryptoconus cooperi" = Turricula cooperi
"Cryptoconus cooperi" = Turricula cooperi Dickerson 1916 snail | |
Conus sp. Linnaeus 1758 cone shell | |
"Pleurofusia fresnoensis" = Pleurotoma fresnoensis
"Pleurofusia fresnoensis" = Pleurotoma fresnoensis Arnold 1909 turrid | |
Lyria andersoni Waring 1917 volute | |
| |
"Galeodea (Mambrina) susanae" = Galeodea sutterensis
"Galeodea (Mambrina) susanae" = Galeodea sutterensis Dickerson 1916 snail | |
Eocypraea (Eocypraea) cf. castacensis Stewart 1927 snail | |
? Natica sp. Scopoli 1777 moon snail | |
Cylichnina tantilla Anderson and Hanna 1925 snail | |
Bivalvia | |
Barbatia (Cucullaearca) cliffensis Hanna 1927 clam | |
Glycymeris (Glycymeris) rosecanyonensis Hanna 1927 clam
Glycemeris (Glycymerita) sagittata Gabb 1864 clam | |
? Anomia mcgoniglensis Hanna 1927 jingle | |
Spondylus carlosensis Anderson 1905 scallop | |
Ostrea sp. Linnaeus 1758 oyster | |
"Claibornites diegoensis" = Claibornites (Claibornites) diegoensis, "Miltha packi" = Gibbolucina (Eomiltha) packi
"Claibornites diegoensis" = Claibornites (Claibornites) diegoensis Dickerson 1916 clam
"Miltha packi" = Gibbolucina (Eomiltha) packi Dickerson 1916 clam | |
Teredinidae indet. Rafinesque 1815 clam | |
Corbula (Caryocorbula) dickersoni Weaver and Palmer 1922 clam | |
Pitar (Lamelliconcha) ? avenalensis, Pitar (Lamelliconcha) joaquinensis, "Pitar (Calipatria) uvasanus" = Pitar uvasana, Callista (Macrocallista) domenginica
Pitar (Lamelliconcha) ? avenalensis venus clam
Pitar (Lamelliconcha) joaquinensis Vokes 1939 venus clam
"Pitar (Calipatria) uvasanus" = Pitar uvasana Conrad 1855 venus clam
Callista (Macrocallista) domenginica Vokes 1939 venus clam | |
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum, "Acanthocardia (Schedocardia) breweri" = Schedocardia brewerii
"Nemocardium linteum" = Nemocardium (Nemocardium) linteum Conrad 1855 cockle
"Acanthocardia (Schedocardia) breweri" = Schedocardia brewerii Gabb 1864 cockle | |
Glyptoactis (Claibornicardia) sandiegoensis Hanna 1927 clam | |
Crassatella uvasana Conrad 1855 clam | |
Malacostraca | |
Raninidae indet. de Haan 1833 crab |