Vallecillo quarry (FCT collection): Early/Lower Turonian, Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopteri
- Araripchthyiformes
- Araripichthyidae
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Araripichthys sp.
Silva Santos 1985
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2 specimens | |||||||||
| FCT 340, 341 | ||||||||||
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Actinopteri
- Aulopiformes
- Dercetidae
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Rhynchodercetis regio
Blanco and Alvarado-Ortega 2006
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Blanco and Alvarado-Ortega 2006 | |||||||||
| recombined as Hastichthys regio | ||||||||||
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Actinopteri
- Crossognathiformes
- Pachyrhizodontidae
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Goulmimichthys roberti n. sp.
Blanco and Cavin 2003
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7 specimens | |||||||||
| FCT 280, 251, 277, 278, 281, 003 | ||||||||||
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Actinopteri
- Ichthyodectiformes
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Vallecillichthys multivertebratum n. gen., n. sp.
Blanco and Cavin 2003
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5 specimens | |||||||||
| FCT 079, 162, 196, 331, 332 | ||||||||||
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Coelacanthimorpha
- Coelacanthiformes
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Palaeoctopus pelagicus n. sp.
Fuchs et al. 2008
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Fuchs et al. 2008 | 2 specimens | ||||||||
| nomen dubium belonging to Latimeroidei | ||||||||||
| UANL-FCT-VCI/150A, B | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Mexico | State/province: | Nuevo León |
| Coordinates: | 26.8° North, 100.1° West (view map) | ||
| Paleocoordinates: | 28.1° North, 69.0° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Turonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Early/Lower Turonian | Ammonoid zone: | Pseudaspidoceras flexuosum |
| Age range of interval: | 93.90000 - 89.80000 m.y. ago |
Stratigraphy
| Formation: | Agua Nueva | Member: | Vallecillo Platy Limestone | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Vallecillo Platy Limestone of the Agua Nueva Formation. AGE: Early Turonian, on the basis of ammonite (P. flexurosum), inoceramid (M. puebloensis) and planktonic foraminiferal (W. archaeocretacea) biostratigraphic zonation. STRATIGRAPHIC POSITION: From 2.08 m above base of section. | |||||
Lithology and environment
| Primary lithology: | planar lamination,ferruginous lithified "limestone" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Platy limestone with iron oxide layers. LITHIFICATION: Lithified on the basis of figured specimens and facies description. | |
| Environment: | offshore |
| Geology comments: ENVIRONMENT: Outer shelf conditions, low oxygen. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: COLLECTOR: Not stated in text. REPOSITORY: Universidad Autónoma de Nuevo León, Facultad de Ciencias de le Tierra (UANL-FCT). | |
| Taxonomic list comments:COVERAGE: Limited to Coleoidea. Inoceramids and ammonites may be present. NOMENCLATURE: Authoritative publication with modern nomenclature and species-resolution identification. | |
Metadata
| Database number: | 84950 | ||
| Authorizer: | A. Hendy, M. Clapham | Enterer: | A. Hendy, J. Mordaunt, M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate,vertebrate |
| Created: | 2008-11-18 19:47:25 | Last modified: | 2021-08-18 00:46:00 |
| Access level: | the public | Released: | 2008-11-18 19:47:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 77692. | A. Blanco and L. Cavin. 2003. New Teleostei from the Agua Nueva Formation (Turonian), Vallecillo (NE Mexico). Comptes Rendus Palevol 2:299-306 [M. Clapham/M. Clapham] |
Secondary references:
| 37941 | A. Blanco and J. Alvarado-Ortega. 2006. Rhynchodercetis regio sp. nov., a dercetid fish (Teleostei: Aulopiformes) from Vallecillo, Nuevo León state, northeastern Mexico. Journal of Vertebrate Paleontology 26(3):552-558 [M. Clapham/C. Feng/M. Clapham] | |
| 77375 | A. Blanco-Piñón and J. J Alvarado-Ortega. 2007. Review of Vallecillichthys multivertebratum (Teleostei: Ichthyodectiformes), a Late Cretaceous (early Turonian) “Bulldog fish” from northeastern Mexico. Revista Mexicana de Ciencias Geológicas 24(3):450-466 [M. Clapham/J. Mordaunt] | |
| 28512 | D. Fuchs, C. Ifrim, and W. Stinnesbeck. 2008. A new Palaeoctopus (Cephalopoda: Coleoidea) from the Late Cretaceous of Vallecillo, north-eastern Mexico, and implications for the evolution of Octopoda. Palaeontology 51(5):1129-1139 [A. Hendy/A. Hendy] |