Stanford locality 2691, ridge east of Santa Ynez Canyon: Selandian, California
collected by R.R Compton 1941
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
- Cerithiidae
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Serratocerithium usanium n. sp.
Compton 1944
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2 specimens | ||||||
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Gastropoda
- Turritellidae
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Turritella pachecoensis
Stanton 1896
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Mesalia martinezensis
(Gabb 1869)
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Gastropoda
- Ficidae
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Priscoficus caudatus
(Gabb 1869)
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| original and current combination Urosyca caudata | |||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Retipirula crassitesta
(Gabb 1869)
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Gastropoda
- Neogastropoda
- Pyropsidae
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Heteroterma gabbi
Stanton 1896
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| recombined as Pyropsis gabbi | |||||||
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Gastropoda
- Neogastropoda
- Nassariidae
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"Fusus" ? flexuosus
Gabb 1864
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Gastropoda
- Naticidae
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Amaurellina martinezensis
(Dickerson 1914)
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| original and current combination Amauropsis martinezensis | |||||||
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Neverita sp.
Risso 1826
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Bivalvia
- Mytilida
- Mytilidae
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Brachidontes lawsoni
(Nelson 1925)
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| recombined as Brachidontes (Brachidontes) lawsoni | |||||||
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Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea mathewsonii
Gabb 1864
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Bivalvia
- Arcida
- Parallelodontidae
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Nanonavis sp.
(Stewart 1930)
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Bivalvia
- Cardiida
- Veneridae
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"Macrocallista" stantoni
Waring 1917
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Callocardia sinedepressa
Nelson 1925
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Bivalvia
- Cardiida
- Tellinidae
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? Tellina undulifera
Gabb 1869
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| recombined as Tellina (Saulella) undulifera | |||||||
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Bivalvia
- Carditida
- Crassatellidae
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"Crassatellites" branneri
Waring 1914
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| recombined as Crassatella branneri | |||||||
| see common names | |||||||
Geography
| 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 |
Time
| 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 |
Stratigraphy
| 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. |
Taphonomy
| 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 |
Metadata
| 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] |