Ranquil-Co fossiliferous level 3: Late/Upper Campanian - Early/Lower Maastrichtian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Rajiformes
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Rajiformes indet.
Berg 1940
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1 specimen | |||||||||
| MACN-M 04, teeth | ||||||||||
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
Cuvier 1825
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2 specimens | |||||||||
| MACN-M 06-08; IANIGLA-PV002, vertebrae | ||||||||||
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Actinopteri
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Teleostei indet.
Müller 1846
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2 specimens | |||||||||
| MACN-M09; IANIGLA-PV 001, teeth | ||||||||||
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Actinopteri
- Perciformes
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Percoidei indet.
(Bleeker 1859)
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2 specimens | |||||||||
| MACN-M08 y M12, dentary plates | ||||||||||
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Amphibia
- Temnospondyli
- Calyptocephalellidae
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? Leptodactylidae indet.
Stirton 1953
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1 specimen | |||||||||
| MACN-M 14, distal end of right humerus | ||||||||||
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= Calyptocephalella satan
Agnolin 2012
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Agnolin 2012 | |||||||||
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= Calyptocephalellidae indet.
Reig 1960
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Suazo Lara and Gómez 2022 | |||||||||
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Reptilia
- Boidae
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Boidae indet.
Gray 1825
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2 specimens | |||||||||
| MACN- M22 y 23, various vertebras | ||||||||||
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Reptilia
- Theropoda
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Theropoda indet.
Marsh 1881
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1 specimen | |||||||||
| CORD-PZ 17325, tooth | ||||||||||
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Reptilia
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Titanosauria indet.
Bonaparte and Coria 1993
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1 specimen | |||||||||
| CORD-PZ17326. tooth | ||||||||||
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Reptilia
- Plesiosauria
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Plesiosauria indet.
de Blainville 1835
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3 specimens | |||||||||
| MACN-M15 y 24; IANIGLIA-Pv 02, vertebra and teeth | ||||||||||
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Reptilia
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Chelidae indet.
Gray 1825
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1 individual | |||||||||
| MACN-M 25-40; CORD-PZ 17316-17324; IANIGLA-Pv004-009; MRM 151, almost complete shell and isolated plates | ||||||||||
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= Meiolaniformes indet.
Sterli and de la Fuente 2013
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Sterli et al. 2013 | |||||||||
| The revision of these specimens and of all the prepared specimens from Ranquil-Co at MACN allowed us to re-assign these specimens and a bridge peripheral (MACN-M 31) to Meiolaniformes | ||||||||||
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Dipnoi
- Ceratodontidae
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Ceratodus sp.
Agassiz 1838
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3 specimens | |||||||||
| ORD-PZ 17315; MACN-M 10-11, dentary plates | ||||||||||
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= Metaceratodus sp.
Chapman 1914
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de la Fuente et al. 2017 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Mendoza | County: | Malargüe |
| Coordinates: | 36.3° South, 69.6° West (view map) | ||||
| Paleocoordinates: | 38.9° South, 54.8° West | ||||
| Basis of coordinate: | stated in text |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Key time interval: | Late/Upper Campanian - Early/Lower Maastrichtian | ||
| Age range of interval: | 83.60000 - 66.00000 m.y. ago |
Lithology and environment
| Primary lithology: | fine,medium sandstone |
| Secondary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: (original in Spanish) Medium-to-fine gray sandstones (feldspathic gravels), solid or cross-stratified, characterized by the development of residual deposits (lag) at the base, with dispersed pelitic clasts, charcoal remains, scarce pelecypods and abundant vertebrate fragments (fishes, amphibians and reptiles), corresponding to the fossiliferous level 3. | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils,microfossils |
Collection methods and comments
| Collection methods: | mechanical |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | MACN |
| Collection method comments: fossils in MACN, CORD-PZ, IANIGLA-PV | |
Metadata
| Also known as: | Ranquil-Co | ||
| Database number: | 185024 | ||
| Authorizer: | E. Vlachos, P. Mannion | Enterer: | E. Vlachos, P. Mannion, F. Aspromonte |
| Modifier: | M. Carrano | ||
| Created: | 2017-04-06 13:40:39 | Last modified: | 2021-03-25 15:21:38 |
| Access level: | the public | Released: | 2017-04-06 13:40:39 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 62068. | B. J. González Riga. 1999. Hallazgo de vertebrados fósiles en la Formación Loncoche, Cretácico Superior de la provincia de Mendoza, Argentina. Ameghiniana 36:401-410 [E. Vlachos/E. Vlachos/P. Mannion] |
Secondary references:
| 73340 | F. Agnolin. 2012. A new Calyptocephalellidae (Anura, Neobatrachia) from the Upper Cretaceous of Patagonia, Argentina, with comments on its systematic position. Studia Geologica Salmanticensia 48(2):129-178 [P. Mannion/P. Mannion] | |
| 60709 | M. S. de la Fuente, I. Maniel, J. M. Janello, J. Sterli, B. Gonzalez Riga and F. Novas. 2017. A new large panchelid turtle (Pleurodira) from the Loncoche Formation (upper Campanian-lower Maastrichtian) of the Mendoza Province (Argentina): Morphological, osteohistological studies, and a preliminary phylogenetic analysis. Cretaceous Research 69:147-168 [P. Holroyd/P. Holroyd/P. Mannion] | |
| 47125 | J. Sterli, M. S. de la Fuente, and I. A. Cerda. 2013. A new species of meiolaniform turtle and a revision of the Late Cretaceous Meiolaniformes of South America. Ameghiniana 50(2):240-256 [R. Benson/R. Benson] | |
| 85526 | F. Suazo Lara and R. O. Gómez. 2022. In the shadow of dinosaurs: Late Cretaceous frogs are distinct components of a widespread tetrapod assemblage across Argentinean and Chilean Patagonia. Cretaceous Research 131:105085 [P. Mannion/P. Mannion] |