B-1400, Punta Peñasco: Late/Upper Pleistocene, Mexico
collected by Emerson & Loring 1954
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Turritellidae
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Turritella gonostoma
Valenciennes 1832
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Thecostraca
- Balanomorpha
- Tetraclitidae
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Tetraclita squamosa
Bruguière 1789
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see common names |
Geography
Country: | Mexico | State/province: | Sonora |
Coordinates: | 31.3° North, 113.6° West (view map) | ||
Paleocoordinates: | 31.3° North, 113.5° West | ||
Basis of coordinate: | based on nearby landmark | ||
Geographic resolution: | outcrop |
Time
Period: | Quaternary | Epoch: | Pleistocene |
Stage: | Late/Upper Pleistocene | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Late/Upper Pleistocene | ||
Age range of interval: | 0.12900 - 0.01170 m.y. ago |
Stratigraphy
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: STRATIGRAPHIC RELATIONS: From an unknown lithostratigraphic unit, which unconformably overlies granitic rocks. AGE: Late Pleistocene, on the basis of molluscan biostratigraphy. STRATIGRAPHIC POSITION: Well-indurated fossiliferous sand overlying blocks of basalt on terrace. |
Lithology and environment
Primary lithology: | shelly/skeletal lithified sandstone |
Lithology description: SPECIFIC LITHOLOGY: Fossiliferous sandstone. LITHIFICATION: Lithified, on the basis of facies description. | |
Environment: | coastal indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Collectors: | Emerson & Loring | Collection dates: | 1954 |
Collection method comments: COLLECTOR: W. K. Emerson, and A. P. Loring, 1954. REPOSITORY: Unknown, possible SDNHM. | |||
Taxonomic list comments:COVERAGE: Not an authoritative publication, with somewhat antiquated nomenclature, but with species-resolution identifications |
Metadata
Database number: | 96560 | ||
Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
Created: | 2010-06-12 12:09:07 | Last modified: | 2013-11-25 13:37:23 |
Access level: | the public | Released: | 2010-06-12 12:09:07 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
32777. | L. G. Hertlein. 1956. Marine Pleistocene Invertebrates from near Puerto Penasco, Sonora, Mexico. Transactions of the San Diego Society of Natural History 12(8):154-176 [A. Hendy/A. Hendy] |