Cañon de San Nicolas (second locality) [Clansayes horizon]: Early/Lower Albian, Mexico
collected by Bose
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Hamulinidae
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Hamulina sp.
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Cephalopoda
- Ammonitida
- Douvilleiceratidae
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Douvilleiceras sp.
Grossouvre 1894
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Douvilleiceras bigoureti
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Cephalopoda
- Ammonitida
- Acanthohoplitidae
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Acanthoplites sp.
(Sinzow 1908)
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| original and current combination Acanthohoplites | |||||||
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Acanthoplites aff. janneli
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| original and current combination Acanthohoplites | |||||||
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Parahoplites aschiltaensis
Anthula 1899
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| recombined as Acanthohoplites aschiltaensis | |||||||
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Cephalopoda
- Ammonitida
- Crioceratitidae
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Crioceras sp.
d'Orbigny 1842
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| synonym of Crioceratites | |||||||
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Uhligella zurcheri
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Uhligella sp.
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Puzosia matheroni
(d'Orbigny 1840)
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| recombined as Pseudohaploceras matheroni | |||||||
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Puzosia sp.
Bayle 1878
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Cephalopoda
- Ammonitida
- Parahoplitidae
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Parahoplites aff. milletianus
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Cephalopoda
- Belemnitida
- Belemnitidae
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Belemnites sp.
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus cf. anglicus
Woods 1911
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| see common names | |||||||
Geography
| Country: | Mexico | State/province: | Chihuahua |
| Coordinates: | 27.2° North, 100.6° West (view map) | ||
| Paleocoordinates: | 25.6° North, 59.6° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Early/Lower Albian | ||
| Age range of interval: | 113.00000 - 109.90000 m.y. ago |
Stratigraphy
| Formation: | Clansayes | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Clansayes horizon (or correlative of), for which lithostratigraphic relationships are not discused. AGE: Albian; on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From unknown position in unit. | |||||
Lithology and environment
| Primary lithology: | gray,red,yellow lithified "limestone" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Thin bedded, yellowish to reddish and gray colored limestone. LITHIFICATION: Lithified, on the basis of figured specimens. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UCMP |
| Collectors: | Bose |
| Collection method comments: COLLECTOR: Not stated, but presumably E. Böse. REPOSITORY: University of California, Berkeley. | |
| Taxonomic list comments:COVERAGE: Probably not exhaustive, but comprehensive for ammonoids. NOMENCLATURE: Authoritative publication with somewhat antiquated nomenclature, but with species-resolution identifications. | |
Metadata
| Database number: | 88250 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2009-04-04 23:39:43 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2009-04-04 23:39:43 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18877. | E. Böse and O.A. Cavins. 1927. The Cretaceous and Tertiary of southern Texas and northern Mexico. University of Texas Bulletin 2748:1-142 [A. Hendy/A. Hendy/A. Hendy] |