Arroyo Ensenada valley: Tortonian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Myliobatiformes
- Dasyatidae
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Dasyatis sp.
Rafinesque 1810
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Chondrichthyes
- Heterodontiformes
- Heterodontidae
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Heterodontus sp.
de Blainville 1816
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Chondrichthyes
- Squatinidae
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Squatina sp.
Dumeril 1806
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Chondrichthyes
- Rajiformes
- Rajidae
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Rajidae indet.
Blainville 1816
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Chondrichthyes
- Carcharhiniformes
- Scyliorhinidae
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Megascyliorhinus trelewensis
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Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Carcharhinus sp.
de Blainville 1816
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Chondrichthyes
- Carcharhiniformes
- Hemigaleidae
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Hemipristis serra
Agassiz 1835
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Chondrichthyes
- Carcharhiniformes
- Sphyrnidae
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Sphyrna sp.
Rafinesque 1810
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Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
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Galeocerdo aduncus
(Agassiz 1835)
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Chondrichthyes
- Lamniformes
- Carchariidae
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Carcharias taurus
Rafinesque 1810
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Chondrichthyes
- Lamniformes
- Lamnidae
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Carcharodon sp.
Smith 1838
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2 specimens | |||||||||
Carcharodon plicatilis
(Agassiz 1843)
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recombined as Cosmopolitodus plicatilis | ||||||||||
Chondrichthyes
- Lamniformes
- Otodontidae
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Carcharocles megalodon
(Agassiz 1835)
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recombined as Otodus megalodon | ||||||||||
Also studied in Pimiento and Balk | ||||||||||
Chondrichthyes
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Holocephali indet.
(Bonaparte 1832)
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Actinopteri
- Sciaenidae
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Sciaenidae indet.
(Cuvier 1828)
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original and current combination Sciaenoidei | ||||||||||
Actinopteri
- Spariformes
- Sparidae
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Sparidae indet.
(Cuvier 1817)
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Actinopteri
- Siluriformes
- Ariidae
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Ariidae indet.
Berg 1958
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see common names |
Geography
Country: | Argentina | State/province: | Entre Rios | County: | Diamante |
Coordinates: | 32.1° South, 60.5° West (view map) | ||||
Paleocoordinates: | 32.2° South, 58.1° West | ||||
Basis of coordinate: | stated in text |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Tortonian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Tortonian | ||
Age range of interval: | 11.62000 - 7.24600 m.y. ago |
Stratigraphy
Formation: | Parana | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: upper part of the Parana Formation; see p. 169 for discussion of age |
Lithology and environment
Primary lithology: | green claystone |
Secondary lithology: | calcareous sandstone |
Includes fossils? | Y |
Lithology description: light green clays with sandy levels, partially cemented by whitish carbonates | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Reason for describing collection: | general faunal/floral analysis |
Metadata
Database number: | 140010 | ||
Authorizer: | M. Uhen, C. Jaramillo | Enterer: | M. Uhen, C. Pimiento |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2013-02-27 04:47:28 | Last modified: | 2013-02-26 11:52:22 |
Access level: | the public | Released: | 2013-02-27 04:47:28 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
45189. | A. L. Cione, D. A. Cabrera, and M. J. Barla. 2012. Oldest record of the Great White Shark (Lamnidae, Carcharodon; Miocene) in the Southern Atlantic. Geobios 45:167-172 [M. Uhen/M. Uhen/M. Uhen] |
Secondary references:
49081 | C. Pimiento and M. Balk. 2015. The extinct giant shark Carcharocles megalodon: A model for understanding deep-time body size trends of marine apex predators. [C. Jaramillo/C. Pimiento/C. Pimiento] |