CSUN Loc. 1219 [Bateque Fm]: Ypresian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Asterocyclinidae
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Pseudophragmina clarki
(Cushman 1920)
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Bivalvia
- Mytilida
- Mytilidae
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Lithophaga sp.
Röding 1798
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Morales-Ortega et al. 2016 | ||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellina sp.
Linnaeus 1758
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Morales-Ortega et al. 2016 | ||||||
| see common names | |||||||
Geography
| Country: | Mexico | State/province: | Baja California |
| Coordinates: | 26.9° North, 113.1° West (view map) | ||
| Paleocoordinates: | 29.2° North, 96.5° West | ||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Ypresian | 10 m.y. bin: | Cenozoic 2 |
| *Period: | Tertiary | *Local age/stage: | Capay |
| Key time interval: | Ypresian | ||
| Age range of interval: | 56 - 47.8 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Bateque | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: this collection is from section 2 of the author's four section division of the formation | |||||
Lithology and environment
| Primary lithology: | planar lamination,bioturbation,shelly/skeletal,yellow poorly lithified sandstone |
| Secondary lithology: | lithified "limestone" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: 90 m thick shallow-marine deposits that...consist of bioturbated and parallel-laminated, yellow, very fine-grained sandstone (75%) with many interbedded lenses (25%) filled with abundant macrofossils | |
| Environment: | transition zone/lower shoreface |
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: | LACM |
Metadata
| Database number: | 5494 | ||
| Authorizer: | A. Miller, M. Uhen | Enterer: | K. Layou, M. Uhen |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 1999-10-06 09:57:06 | Last modified: | 2016-02-29 01:03:13 |
| Access level: | the public | Released: | 1999-10-06 09:57:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 322. | R. L. Squires and R. A. Demetrion. 1992. Paleontology of the Eocene Bateque Formation, Baja California Sur, Mexico. Contributions in Science (Natural History Museum of Los Angeles County) 434:1-55 [A. Miller/K. Layou] |
Secondary references:
| 70554 | P. Morales-Ortega, G. González-Barba, and E. H. Nava-Sánchez. 2016. New Eocene bivalves from Bateque Formation, Baja California Sur, Mexico. Paleontología Mexicana 5(1):1-19 [M. Uhen/M. Uhen] |