Cerro Bosta: Maastrichtian, Argentina
collected by Z. Gasparini
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Dipnoi
- Ceratodontidae
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Metaceratodus baibanorum
Panzeri et al. 2020
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Panzeri et al. 2020 | 25 specimens | ||||||||
corrected as Metaceratodus baibianorum | ||||||||||
Reptilia
- Testudines
- Chelidae
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Chelidae informal indet. 2
Gray 1825
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6 specimens | |||||||||
MPEF-PV 932, 913, 820, 826, 842, 908 | ||||||||||
Chelidae informal indet. 3
Gray 1825
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4 specimens | |||||||||
MPEF-PV 935, 911, 874-875 | ||||||||||
Chelidae informal indet. 4
Gray 1825
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3 specimens | |||||||||
MPEF-PV 878, 834, 910 | ||||||||||
Chelidae informal indet. 5
Gray 1825
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5 specimens | |||||||||
MPEF-PV 819, 862, 865, 895, 897 | ||||||||||
Chelidae informal indet. 1
Gray 1825
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11 specimens | |||||||||
MPEF-PV 818, 821, 844, 845, 848, 890, 891, 933, 934, 954, 957 | ||||||||||
= Yaminuechelys aff. gasparinii
de la Fuente et al. 2001
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Gasparini et al. 2015 | |||||||||
= Yaminuechelys sulcipeculiaris
Oriozabala et al. 2020
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Oriozabala et al. 2020 | |||||||||
Reptilia
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Meiolaniidae indet.
Lydekker 1887
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1 specimen | |||||||||
MPEF-PV 10564 | ||||||||||
= Patagoniaemys gasparinae
Sterli and de la Fuente 2011
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Gasparini et al. 2015 | |||||||||
Reptilia
- Plesiosauria
- Elasmosauridae
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Elasmosauridae indet.
Cope 1869
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Gasparini et al. 2001 | 3 specimens | ||||||||
Numerous isolated vertebrae | ||||||||||
Reptilia
- Plesiosauria
- Polycotylidae
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Sulcusuchus erraini
Gasparini and Spalletti 1990
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Gasparini et al. 2015 | 1 specimen | ||||||||
MPEF-PV 650, part of skull and mandible | ||||||||||
see common names |
Geography
Country: | Argentina | State/province: | Chubut |
Coordinates: | 43.0° South, 67.6° West (view map) | ||
Paleocoordinates: | 45.3° South, 56.0° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | La Colonia | Member: | Middle | ||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: "Middle levels of the La Colonia Formation (Page et al. 1999)" (O'Gorman et al. 2013)
La Colonia Fm = Maastrichtian (Clyde et al. 2021) |
Lithology and environment
Primary lithology: | massive,planar lamination muddy sandstone |
Includes fossils? | Y |
Lithology description: "massive, laminated or heterolithic pelites with intercalations of beds, no more than 3.3 m thick, of massive, heterolithic (flaser) or trough-cross-bedded fine-grained sandstones." Fossils are "Associated with pelitic sectors" | |
Environment: | marginal marine indet. |
Glacial or sequence phase: | transgressive |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Spatial orientation: | random |
Preservation of anatomical detail: | good |
Abundance in sediment: | rare |
Fragmentation: | frequent |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | surface (in situ),field collection |
Collection size: | 31 specimens |
Reason for describing collection: | general faunal/floral analysis |
Collectors: | Z. Gasparini |
Metadata
Database number: | 99438 | ||
Authorizer: | M. Carrano, E. Vlachos, P. Mannion | Enterer: | H. Street, E. Vlachos, M. Carrano, J. Tennant |
Modifier: | F. Aspromonte | Research group: | vertebrate |
Created: | 2010-11-11 07:54:45 | Last modified: | 2023-11-10 14:59:20 |
Access level: | the public | Released: | 2010-11-11 07:54:45 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
34189. | Z. Gasparini and M. de la Fuente. 2000. Tortugas y plesiosaurios de la Formacion la Colonia (Cretacico Superior) de Patagonia, Argentina. Revista Espanola de Paleontologia 15(1):23-35 [M. Carrano/H. Street] |
Secondary references:
46158 | Z. Gasparini, S. Casadio, M. Fernandez and L. Salgado. 2001. Marine reptiles from the Late Cretaceous of northern Patagonia. Journal of South American Earth Sciences 14(1):51-60 [P. Mannion/J. Tennant/F. Aspromonte] | |
54396 | Z. Gasparini, J. Sterli, A. Parras, J. P. O'Gorman, L. Salgado, J. Varela, and D. Pol. 2015. Late Cretaceous reptilian biota of the La Colonia Formation, central Patagonia, Argentina: occurrences, preservation and paleoenvironments. Cretaceous Research 54:154-168 [P. Mannion/J. Tennant/M. Carrano] | |
86364 | J. P. O'Gorman. 2015. Plesiosaurs (Diapsida, Sauropterygia) from Late Cretaceous (late Campanian-early Maastrichtian) marginal marine environments from North Patagonia. Publicación Electrónica de la Asociación Paleontológica Argentina 15(1):187-195 [E. Vlachos/F. Aspromonte] | |
86420 | J. P. O'Gorman. 2016. Argentinean plesiosaurs: a commented account of main records, systematic and biogeographical patterns and comments on future perspectives. In F. L. Agnolín, G. L. Lio, F. Brissón Egli, N. R. Chimento, F. E. Novas (eds.), Historia Evolutiva y paleobiogeográfica de los vertebrados de América del Sur (6)37-45 [E. Vlachos/F. Aspromonte] | |
47110 | J. P. O'Gorman and Z. Gasparini. 2013. Revision of Sulcusuchus erraini (Sauropterygia, Polycotylidae) from the Upper Cretaceous of Patagonia, Argentina. Alcheringa 37(2):163-176 [P. Mannion/J. Tennant/F. Aspromonte] | |
69691 | C. Oriozabala, J. Sterli, and M. S. Fuente. 2020. New species of the long-necked chelid Yaminuechelys from the Upper Cretaceous (Campanian–Maastrichtian) of Chubut, Argentina. Cretaceous Research 106:104197:1-11 [P. Mannion/P. Mannion/P. Mannion] | |
74922 | K. M. Panzeri, S. G. Cavalli, N. A. Muñoz and A. L. Cione. 2020. Metaceratodus baibianorum, a new dipnoan species from the Upper Cretaceous of southern South America supported by traditional and geometric morphometric analyses. Journal of Vertebrate Paleontology 40(2):e1769640:1-14 [M. Carrano/M. Carrano] |