M9778, Travertine Rock [Latrania Sand Mbr, Imperial Fm]: Early/Lower Pliocene, California
collected by Powell & Laney 1991
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Clypeasteroida
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Clypeasteroida indet.
Agassiz 1836
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris gigantea
(Reeve 1843)
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6 specimens | |||||||||
| recombined as Glycymeris (Glycymeris) gigantea | ||||||||||
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Glycymeris multicostata
(Sowerby 1833)
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1 specimen | |||||||||
| recombined as Tucetona (Bellaxinaea) multicostata | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Anadara reinharti
(Lowe 1935)
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2 specimens | |||||||||
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Arca informal sp. A
Linnaeus 1758
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Arca sp.
Linnaeus 1758
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Arca cf. pacifica
(Sowerby 1833)
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Bivalvia
- Ostreida
- Ostreidae
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Myrakeena cf. angelica
(Rochebrune 1895)
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1 specimen | |||||||||
| original and current combination Ostrea angelica | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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? Pycnodonte heermanni
(Conrad 1855)
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Bivalvia
- Ostreida
- Pinnidae
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Pinna cf. latrania
Hanna 1926
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Bivalvia
- Pectinida
- Pectinidae
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Argopecten sp.
Monterosato 1889
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7 specimens | |||||||||
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Euvola cf. keepi
(Arnold 1906)
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1 specimen | |||||||||
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Chlamys cf. corteziana
Durham 1950
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1 specimen | |||||||||
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Bivalvia
- Pectinida
- Spondylidae
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Spondylus sp.
Linnaeus 1758
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Bivalvia
- Carditida
- Carditidae
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Strophocardia megastropha
(Gray 1825)
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2 specimens | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Miltha xantusi
(Dall 1903)
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Lucinisca nuttalli
(Conrad 1837)
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6 specimens | |||||||||
| Spelt in table "Lucina nuttalli", in text as "Lucinisca nuttalli" | ||||||||||
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Codakia distinguenda
(Tryon 1872)
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29 specimens | |||||||||
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Pegophysema edentuloides
(Verrill 1901)
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11 specimens | |||||||||
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Divalinga cf. eburnea
(Reeve 1850)
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1 specimen | |||||||||
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Bivalvia
- Cardiida
- Veneridae
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Dosinia cf. semiobliterata
Deshayes 1853
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2 specimens | |||||||||
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Cyclinella sp.
Dall 1902
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1 specimen | |||||||||
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Bivalvia
- Cardiida
- Chamidae
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Arcinella cf. californica
(Dall 1903)
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5 specimens | |||||||||
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Gastropoda
- Opisthobranchia
- Haminoeidae
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Atys sp.
Montfort 1810
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1 specimen | |||||||||
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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4 specimens | |||||||||
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Polinices cf. uber
(Valenciennes 1821)
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5 specimens | |||||||||
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Gastropoda
- Neogastropoda
- Olivellidae
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? Agaronia sp.
(Gray 1839)
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1 specimen | |||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus sp.
Linnaeus 1758
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unclassified
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Eucrassatella cf. antillarum
(Reeve 1842)
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18 specimens | |||||||||
| recombined as Kalolophus antillarum | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | San Diego |
| Coordinates: | 33.4° North, 116.1° West (view map) | ||||
| Paleocoordinates: | 33.2° North, 115.3° West | ||||
| Basis of coordinate: | stated in text | ||||
| 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: | Imperial | Member: | Latrania Sand | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Latrania Sand Mbr of Imperial Fm, which is overlain by the Canebrake Conglomerate. AGE: Pliocene, on the basis of molluscan biostratigraphy; placed by enterer in Early Pliocene based on existing collections and similarity with Late Miocene assemblages in California. STRATIGRAPHIC POSITION: From unknown position within member. | |||||
Lithology and environment
| Primary lithology: | medium,coarse,yellow lithified sandstone |
| Lithology description: SPECIFIC LITHOLOGY: Yellow, fossiliferous, medium- to coarse-grained sandstone. LITHIFICATION: Lithified, based on figured specimens. | |
| Environment: | coastal indet. |
Taphonomy
| Modes of preservation: | body,replaced with calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | UCMP | ||
| Collectors: | Powell & Laney | Collection dates: | 1991 |
| Collection method comments: COLLECTORS: C. Powell II and J. Laney, 1991. REPOSITORY: UCMP. | |||
| Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications. | |||
Metadata
| Database number: | 96549 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2010-06-11 22:56:06 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2010-06-11 22:56:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32775. | C. L. Powell. 2008. Pliocene Invertebrates From the Travertine Point Outcrop of the Imperial Formation, Imperial County, California. United States Geological Survey Scientific Investigations 2008(5155):1-25 [A. Hendy/A. Hendy/A. Hendy] |