LACMIP Loc. 17848 - Elsmere Canyon [Juncal Fm]: Early/Lower Eocene, California
collected by Walker et al 2003-2006
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Turritellidae
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Turritella andersoni
Dickerson 1916
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R category | |||||||||
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Gastropoda
- Ampullinidae
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Pachycrommium clarki
(Stewart 1927)
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C category | |||||||||
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Eocernina hannibali
(Dickerson 1914)
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C category | |||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea diegoana
(Conrad 1855)
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C category | |||||||||
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Gastropoda
- Naticidae
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? Natica sp.
Scopoli 1777
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C category | |||||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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? Molopophorus cf. aequicostatus
Vokes 1939
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R category | |||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Lyria andersoni
Waring 1917
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C category | |||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella mathewsonii
Gabb 1864
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F category | |||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus sp.
Linnaeus 1758
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R category | |||||||||
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Gastropoda
- Neogastropoda
- Clavatulidae
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Cryptoconus cooperi
(Dickerson 1916)
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R category | |||||||||
| recombined as Turricula cooperi | ||||||||||
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Gastropoda
- Neogastropoda
- Turridae
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Pleurofusia fresnoensis
(Arnold 1909)
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R category | |||||||||
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Gastropoda
- Eocypraeidae
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Eocypraea (Eocypraea) cf. castacensis
(Stewart 1927)
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R category | |||||||||
| recombined as Grovesia castacensis | ||||||||||
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Gastropoda
- Strombidae
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Ectinochilus (Macilentos) macilentus
(White 1889)
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F category | |||||||||
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Gastropoda
- Cassidae
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Galeodea (Mambrina) susanae
Schenck 1926
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R category | |||||||||
| synonym of Galeodea sutterensis | ||||||||||
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Gastropoda
- Ficidae
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Ficopsis remondii
(Gabb 1864)
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F category | |||||||||
| recombined as Ficus remondii | ||||||||||
| SUBSPECIES: Ficopsis remondii cresentensis | ||||||||||
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Gastropoda
- Opisthobranchia
- Retusidae
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Cylichnina tantilla
(Anderson and Hanna 1925)
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C category | |||||||||
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Gastropoda
- Lepetellida
- Fissurellidae
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Diodora sp.
Gray 1821
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R category | |||||||||
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Gastropoda
- Turbinidae
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Homalopoma wattsi
(Dickerson 1916)
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C category | |||||||||
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Gastropoda
- Solariellidae
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Solariella walkeri n. sp.
Squires 2008
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R category | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Miltha packi
(Dickerson 1916)
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R category | |||||||||
| recombined as Gibbolucina (Eomiltha) packi | ||||||||||
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Claibornites diegoensis
(Dickerson 1916)
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R category | |||||||||
| recombined as Claibornites (Claibornites) diegoensis | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Acanthocardia (Schedocardia) breweri
(Gabb 1864)
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C category | |||||||||
| recombined as Schedocardia brewerii | ||||||||||
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Nemocardium linteum
(Conrad 1855)
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R category | |||||||||
| recombined as Nemocardium (Nemocardium) linteum | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Pitar (Calipatria) uvasanus
(Conrad 1855)
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R category | |||||||||
| recombined as Pitar uvasana | ||||||||||
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Pitar (Lamelliconcha) joaquinensis
Vokes 1939
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C category | |||||||||
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Pitar (Lamelliconcha) ? avenalensis
Vokes 1939
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R category | |||||||||
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Callista (Macrocallista) domenginica
(Vokes 1939)
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F category | |||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Corbula (Caryocorbula) dickersoni
(Weaver and Palmer 1922)
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F category | |||||||||
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Bivalvia
- Pholadida
- Teredinidae
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Teredinidae indet.
Rafinesque 1815
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F category | |||||||||
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Bivalvia
- Carditida
- Carditidae
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Glyptoactis (Claibornicardia) sandiegoensis
(Hanna 1927)
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R category | |||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella uvasana
Conrad 1855
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F category | |||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris (Glycymeris) rosecanyonensis
(Hanna 1927)
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C category | |||||||||
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Glycemeris (Glycymerita) sagittata
(Gabb 1864)
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A category | |||||||||
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Bivalvia
- Arcida
- Arcidae
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Barbatia (Cucullaearca) cliffensis
(Hanna 1927)
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R category | |||||||||
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Bivalvia
- Pectinida
- Anomiidae
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? Anomia mcgoniglensis
Hanna 1927
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R category | |||||||||
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus carlosensis
Anderson 1905
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R category | |||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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F category | |||||||||
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Malacostraca
- Decapoda
- Raninidae
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Raninidae indet.
de Haan 1833
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F category | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Los Angeles |
| Coordinates: | 34.4° North, 118.5° West (view map) | ||||
| Paleocoordinates: | 36.9° North, 101.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 1560 feet | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Early/Lower Eocene | ||
| Age range of interval: | 56.00000 - 47.80000 m.y. ago |
Stratigraphy
| Formation: | Juncal | ||||
| Local section: | Elsmere Canyon | Local bed: | 57 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 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. | |||||
Lithology and environment
| Primary lithology: | pebbly lithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Pebby sandstone. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | submarine fan |
| Geology comments: ENVIRONMENT: Shallow water marine assemblage redeposited into deeper water, associated with submarine fan environment. | |
Taphonomy
| Modes of preservation: | body,mold/impression |
| Size of fossils: | macrofossils |
| Spatial resolution: | allochthonous |
Collection methods and comments
| Collection methods: | surface (float),surface (in situ),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | LACM | ||
| Collectors: | Walker et al | Collection dates: | 2003-2006 |
| Collection method comments: COLLECTOR: S. Walker, J. Alderson, and R. Squires, 2003-2006. REPOSITORY: LACMIP, Los Angeles. | |||
| Taxonomic list comments:COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications. | |||
Metadata
| Database number: | 111552 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy, K. Hendy |
| Modifier: | M. Uhen | Research group: | marine invertebrate |
| Created: | 2011-06-25 14:00:56 | Last modified: | 2020-05-07 16:33:28 |
| Access level: | the public | Released: | 2011-06-25 14:00:56 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 36513. | 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] |
Secondary references:
| 49270 | R. L. Squires. 2013. West Coast North America record of the Paleogene marine stromboid gastropod Rimella and paleobiogeography of the genus. Journal of Paleontology 87(5):826-841 [M. Uhen/S. Alam/M. Uhen] |