La Bonita Hill quarry: Santonian, Argentina
collected 1990–2011
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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Gallina and Apesteguía 2011 | |||||||||
= Pleurodira indet.
Cope 1865
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Maniel and de la Fuente 2012 | |||||||||
Reptilia
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Neosuchia indet.
Clark 1988
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Gianechini et al. 2011 | 1 specimen | ||||||||
MPCA 246, tooth | ||||||||||
Crocodylia indet.
(Owen 1842)
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Gallina and Apesteguía 2011 | |||||||||
Reptilia
- Megaraptoridae
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Theropoda indet.
(Marsh 1881)
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Gallina and Apesteguía 2011 | 1 specimen | ||||||||
MPCA 247, tooth | ||||||||||
= Tetanurae indet.
Gauthier 1986
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Gianechini et al. 2011 | |||||||||
= Megaraptoridae indet.
Novas et al. 2013
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Meso et al. 2022 | |||||||||
Reptilia
- Abelisauridae
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Abelisauridae indet.
Bonaparte and Novas 1985
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Gianechini et al. 2011 | 2 specimens | ||||||||
MPCA 249 MPCA 251, teeth | ||||||||||
Reptilia
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Bonitasaura salgadoi n. gen., n. sp.
Apesteguía 2004
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3 individuals | |||||||||
MPCA 460, partially articulated subadult skeleton (holotype); MPCA 467, 468 | ||||||||||
Pterosauria indet.
(Kaup 1834)
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Gallina and Apesteguía 2011 | |||||||||
see common names |
Geography
Country: | Argentina | State/province: | Río Negro | County: | Cerro Policía |
Coordinates: | 39.6° South, 68.3° West (view map) | ||||
Paleocoordinates: | 44.2° South, 49.4° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
Key time interval: | Santonian | ||
Age range of interval: | 86.30000 - 83.60000 m.y. ago |
Stratigraphy
Geological group: | Neuquén | Formation: | Bajo de la Carpa | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Río Colorado Subgroup; bed at top of formation |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | fluvial indet. |
Geology comments: "mid- to low-energy fluvial regime" |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | -single event |
Size of fossils: | macrofossils |
Spatial orientation: | preferred |
Preservation of anatomical detail: | excellent |
Associated major elements: | all |
Fragmentation: | occasional |
Temporal resolution: | snapshot |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | selective quarrying,mechanical,field collection |
Reason for describing collection: | taxonomic analysis | Collection dates: | 1990s–2011 |
Metadata
Also known as: | Cerro Policía | ||
Database number: | 45407 | ||
Authorizer: | M. Carrano, R. Butler, E. Vlachos | Enterer: | M. Carrano, R. Butler, E. Vlachos |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2004-10-21 06:32:48 | Last modified: | 2023-11-09 09:21:19 |
Access level: | the public | Released: | 2004-10-21 06:32:48 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
11820. | ETE | S. Apesteguía. 2004. Bonitasaura salgadoi gen. et sp. nov.: a beaked sauropod from the Late Cretaceous of Patagonia. Naturwissenschaften 91(10):493-497 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
85786 | J. Amudeo-Plaza, S. Soto-Acuña, R. Ugalde, P. Martínez, and D. Rubilar-Rogers. 2023. Reassessment of theropod material from Pichasca, northern Chile: presence of Abelisauridae (Theropoda: Ceratosauria) from the Quebrada La Totora Beds (Albian–Turonian). Journal of South American Earth Sciences 129 [M. Carrano/M. Carrano] | |
76392 | I. A. Cerda, G. A. Casal, R. D. Martínez and L. M. Ibiricu. 2015. Histological evidence for a supraspinous ligament in sauropod dinosaurs. Royal Society Open Science 2:150369:1-17 [M. Carrano/M. Carrano] | |
35570 | P. A. Gallina. 2011. Notes on the axial skeleton of the titanosaur Bonitasaura salgadoi (Dinosauria-Sauropoda). Anais da Academia Brasileira de Ciências 83(1):235-245 [R. Butler/R. Butler/M. Carrano] | |
35566 | P. A. Gallina and S. Apesteguía. 2011. Cranial anatomy and phylogenetic position of the titanosaurian sauropod Bonitasaura salgadoi. Acta Palaeontologica Polonica 56(1):45-60 [R. Butler/R. Butler] | |
56175 | P. A. Gallina and S. Apesteguía. 2015. Postcranial anatomy of Bonitasaura salgadoi (Sauropoda, Titanosauria) from the Late Cretaceous of Patagonia. Journal of Vertebrate Paleontology 35(3):e924957:1-22 [M. Carrano/M. Carrano] | |
79475 | F. A. Gianechini, G. L. Lio, and S. Apesteguía. 2011. Isolated archosaurian teeth from “La Bonita” locality (Late Cretaceous, Santonian-Campanian), Río Negro Province, Argentina. Historia Natural, Tercera Serie 1:5-16 [M. Carrano/M. Carrano] | |
64430 | I. Maniel and M. S. de la Fuente. 2012. Comentarios sobre el registro de tortugas crown-Pleurodira durante el Cretacico de Patagonia. Ameghiniana 49(4):32-32 [E. Vlachos/E. Vlachos] | |
79474 | A. H. Méndez, F. A. Gianechini, A. Paulina-Carabajal, L. S. Filippi, R. D. Juárez-Valieri, I. A. Cerda, and A. C. Garrido. 2022. New furileusaurian remains from La Invernada (northern Patagonia, Argentina): a site of unusual abelisaurids abundance. Cretaceous Research 129:104989:1-20 [M. Carrano/M. Carrano] | |
86372 | J. G. Meso, F. A. Gianechini, R. D. Juárez Valieri, S. Apesteguía, and S. A. S. Correa. 2022. Theropods from the La Bonita site, Bajo de la Carpa Formation (Neuquen Group, Santonian), Río Negro, Argentina: analysis of dental evidence. Cretaceous Research 137:105250 [M. Carrano/M. Carrano] |