Stanford locality 2691, ridge east of Santa Ynez Canyon: Selandian, California
collected by R.R Compton 1941

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Parallelodontidae
Nanonavis sp. Stewart 1930
Bivalvia - Arcida - Cucullaeidae
Cucullaea mathewsonii Gabb 1864
Bivalvia - Mytilida - Mytilidae
Brachidontes lawsoni (Nelson 1925)
Bivalvia - Carditida - Crassatellidae
"Crassatellites" branneri Waring 1914
Bivalvia - Cardiida - Veneridae
Callocardia sinedepressa Nelson 1925
"Macrocallista" stantoni Waring 1917
Bivalvia - Cardiida - Tellinidae
? Tellina undulifera Gabb 1868
recombined as Saulella undulifera
Gastropoda - Neogastropoda - Volutidae
Retipirula crassitesta (Gabb 1868)
Gastropoda - Neogastropoda - Tudiclidae
Heteroterma gabbi Stanton 1896
Gastropoda - Strombidae
"Fusus" ? flexuosus Gabb 1864
Gastropoda - Ficidae
Priscoficus caudatus (Gabb 1868)
Gastropoda - Naticidae
Neverita sp. Risso 1826
Amaurellina martinezensis (Dickerson 1914)
original and current combination Amauropsis martinezensis
Gastropoda - Sorbeoconcha - Turritellidae
Mesalia martinezensis (Gabb 1868)
Turritella pachecoensis Stanton 1896
Gastropoda - Sorbeoconcha - Cerithiidae
Serratocerithium usanium n. sp. Compton 1944
2 specimens
see common names

Country:United States State/province:California County:Los Angeles
Coordinates: 34.1° North, 118.6° West (view map)
Paleocoordinates:38.3° North, 98.2° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Period:Paleogene Epoch:Paleocene
Stage:Selandian 10 m.y. bin:Cenozoic 1
Key time interval:Selandian
Age range of interval:61.60000 - 59.20000 m.y. ago
Stratigraphic resolution:group of beds
Stratigraphy comments: Correlated with the lower "Martinez" on the basis of mollusks by Compton. Assigned to Selandian because of the presence of Mesalia martinezensis and Turritella pachecoensis, based on ages in Squires & Saul (2007).
Lithology and environment
Primary lithology:gray poorly lithified calcareous sandstone
Lithology description: Gray calcareous sandstone. Described as "friable"
Environment:coastal indet.
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:CAS
Collectors:R.R Compton Collection dates:1941
Database number:205398
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2019-10-14 19:50:09 Last modified:2019-10-14 19:57:26
Access level:the public Released:2019-10-14 19:50:09
Creative Commons license:CC BY
Reference information

Primary reference:

70473. R. R. Compton. 1944. A new Paleocene gastropod from southern California. Journal of Paleontology 18:464-469 [M. Clapham/M. Clapham]