UCMP Loc. A1707, Travertine Rock [Latrania Sand Mbr, Imperial Fm]: Early/Lower Pliocene, California
collected by Bramkamp 1937

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Turritellidae
? Turritella sp. Lamarck 1799
Bivalvia - Cardiida - Chamidae
Arcinella cf. californica (Dall 1903)
Bivalvia - Cardiida - Veneridae
Dosinia cf. semiobliterata Deshayes 1853
4 specimens
Bivalvia - Lucinida - Lucinidae
Pegophysema edentuloides (Verrill 1901)
24 specimens
Codakia distinguenda (Tryon 1872)
18 specimens
Lucinisca nuttalli (Conrad 1837)
9 specimens
Spelt in table "Lucina nuttalli", in text as "Lucinisca nuttalli"
Bivalvia - Carditida - Carditidae
Strophocardia megastropha (Gray 1825)
8 specimens
Bivalvia - Mytilida - Mytilidae
? Mytilus sp. Linnaeus 1758
1 specimen
Bivalvia - Pectinida - Pectinidae
Euvola cf. keepi (Arnold 1906)
1 specimen
Argopecten sp. Monterosato 1889
6 specimens
Bivalvia - Pectinida - Spondylidae
Spondylus sp. Linnaeus 1758
Bivalvia - Ostreida - Ostreidae
? Dendostrea vespertina (Conrad 1855)
1 specimen
Bivalvia - Ostreida - Gryphaeidae
? Pycnodonte heermanni (Conrad 1855)
1 specimen
Bivalvia - Arcida - Arcidae
Barbatia sp. Gray 1842
Anadara cf. reinharti (Lowe 1935)
1 specimen
Arca sp. Linnaeus 1758
Arca cf. pacifica (Sowerby 1833)
1 specimen
Bivalvia - Arcida - Glycymerididae
Glycymeris gigantea (Reeve 1843)
2 specimens
recombined as Glycymeris (Glycymeris) gigantea
unclassified
Eucrassatella cf. antillarum (Reeve 1842)
16 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:Bramkamp Collection dates:1937
Collection method comments: COLLECTORS: R. Bramkampr, 1937. REPOSITORY: UCMP.
Taxonomic list comments:COVERAGE: Exhaustive for molluscs. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Metadata
Database number:96554
Authorizer:A. Hendy Enterer:A. Hendy
Research group:marine invertebrate
Created:2010-06-11 23:05:30 Last modified:2013-11-25 13:37:23
Access level:the public Released:2010-06-11 23:05:30
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]