Ephemeral island, Lago Colhué Huapi: Campanian - Early/Lower Maastrichtian, Argentina
collected 1993, 2000-2005

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Dipnoi
Dipnoi indet. (Müller 1884)
Casal et al. 2016 1 specimen
UNPSJB-Pv 1047, dentary plate
Reptilia
Hadrosauridae indet. Cope 1869
Luna et al. 2003 1 element
UNPSJB-PV 973, left ilium
    = Sektensaurus sanjuanboscoi Ibiricu et al. 2019
Ibiricu et al. 2019
Ornithopoda indet. Marsh 1881
Ibiricu et al. 2010 1 individual
UNPSJB-PV 960, postcranial elements
    = Iguanodontia indet. Baur 1891
Candeiro 2010
    = Sektensaurus sanjuanboscoi n. gen., n. sp. Ibiricu et al. 2019
Ibiricu et al. 2019
UNPSJB-PV 1054 (holotype); referred material: UNPSJB-PV 960 and 973
cf. Aeolosaurus sp. Powell 1987
1 individual
UNPSJB-PV 959/1 to 959/27, 21 caudal vertebrae
    = Aeolosaurus colhuehuapensis n. sp. Casal et al. 2007
Casal et al. 2007
Crocodyliformes indet. Hay 1930
Casal et al. 2007 1 specimen
UNPSJB-PV 961 (holotype), anterior end of a mandible
    = Mesoeucrocodylia indet. Whetstone and Whybrow 1983
Candeiro 2010
    = Colhuehuapisuchus lunai n. gen., n. sp. Lamanna et al. 2019
Lamanna et al. 2019
see common names

Geography
Country:Argentina State/province:Chubut
Coordinates: 45.6° South, 68.6° West (view map)
Paleocoordinates:48.2° South, 55.3° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Campanian - Early/Lower Maastrichtian
Age range of interval:83.60000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Chubut Formation:Lago Colhué Huapi
Stratigraphic resolution:bed
Stratigraphy comments: Upper part of the Lago Colhué Huapi Formation (Upper Cretaceous: Campanian–?lower Maastrichtian)
Lithology and environment
Primary lithology:gray,white muddy sandstone
Includes fossils?Y
Environment:"floodplain"
Geology comments: Overbank deposit
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Associated major elements:some
Disassociated major elements:some
Fragmentation:occasional
Collection methods and comments
Collection methods:surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Collection dates:1993, 2000-2005
Metadata
Also known as:Southeast island
Database number:52909
Authorizer:M. Carrano, P. Mannion, E. Vlachos Enterer:M. Carrano, M. Oreska, P. Mannion, E. Vlachos
Modifier:F. Aspromonte Research group:vertebrate
Created:2005-08-26 11:31:36 Last modified:2024-03-12 14:03:38
Access level:the public Released:2005-08-26 11:31:36
Creative Commons license:CC BY
Reference information

Primary reference:
33362.ETE G. Casal, M. Luna, L. Ibiricu, E. Ivany, R. Martínez, M. C. Lamanna, and A. Koprowski. 2002. Hallazgo de una serie caudal articulada de Sauropoda de la Formación Bajo Barreal, Cretácico Superior del sur de Chubut [Discovery of an articulated caudal series of Sauropoda from the Bajo Barreal Formation, Upper Cretaceous of southern Chubut]. Ameghiniana 39(4, suppl.):8R [M. Carrano/M. Carrano]

Secondary references:

37378 C. R. A. Candeiro. 2010. Record of the genus Aeolosaurus (Sauropoda, Titanosauria) in the Late Cretaceous of South America: paleogeographic implications. Estudios Geológicos 66(2):243-253 [M. Carrano/M. Carrano]
24300ETE G. Casal, R. D. Martínez, M. Luna, J. C. Sciutto, and M. C. Lamanna. 2007. Aeolosaurus colhuehuapensis sp. nov. (Sauropoda, Titanosauria) de la Formación Bajo Barreal, Cretácico Superior de Argentina [Aeolosaurus colhuehuapensis sp. nov. (Sauropoda, Titanosauria) from the Bajo Barreal Formation, Upper Cretaceous of Argentina]. Revista Brasileira de Paleontologia 10(1):53-62 [M. Carrano/M. Carrano]
76410 G. A. Casal, J. O. Allard, and N. Foix. 2015. Análisis estratigráfico y paleontológico del Cretácico Superior en la Cuenca del Golfo San Jorge: nueva unidad litoestratigráfica para el Grupo Chubut [Stratigraphic and paleontological analysis of the Upper Cretaceous in the Golfo San Jorge Basin: a new lithostratigraphic unit for the Chubut Group]. Revista de la Asociación Geológica Argentina 72(1):77-95 [M. Carrano/M. Carrano]
66791 G. A. Casal, R. D. Martinez, M. Luna and L. M. Ibiricu. 2016. Ordenamiento y caracterización faunisitica del Cretacico superior del Grupo Chubut, Cuenca del Golfo San Jorge, Argentina. Revista Brasileira de Paleontologia 19(1):53-70 [E. Vlachos/E. Vlachos]
76413 P. Cruzado-Caballero, L. S. Filippi, A. H. Méndez, A. C. Garrido, and R. D. Juárez Valieri. 2016. New record of ornithopod dinosaur from the Plottier Formation (Upper Cretaceous), Patagonia, Argentina. Annales de Paléontologie 102:145-150 [M. Carrano/M. Carrano]
75729 P. Cruzado-Caballero, L. S. Filippi, A. H. Méndez, A. C. Garrido, and I. Díaz-Martínez. 2018. First ornithopod remains from the Bajo de la Carpa Formation (Santonian, Upper Cretaceous), northern Patagonia, Argentina. Cretaceous Research 83:182-193 [M. Carrano/M. Carrano/M. Carrano]
73448 L. M. Ibiricu, G. A. Casal, R. D. Martínez, M. Luna, J. I. Canale, B. N. Alvarez, and B. González Riga. 2019. A new ornithopod dinosaur (Dinosauria: Ornithischia) from the Late Cretaceous of central Patagonia. Cretaceous Research 98:276-291 [P. Mannion/P. Mannion/P. Mannion]
87818 L. M. Ibiricu, G. A. Casal, R. D. Martínez, B. N. Alvarez, and S. F. Poropat. 2020. New materials and an overview of Cretaceous vertebrates from the Chubut Group of the Golfo San Jorge Basin, central Patagonia, Argentina. Journal of South American Earth Sciences 98(102460) [E. Vlachos/F. Aspromonte]
34397ETE L. M. Ibiricu, R. D. Martinez, M. C. Lamanna, G. A. Casal, M. Luna, J. D. Harris, and K. J. Lacovara. 2010. A medium-sized ornithopod (Dinosauria: Ornithischia) from the Upper Cretaceous Bajo Barreal Formation of Lago Colhue Huapi, Southern Chubut Province, Argentina. Annals of Carnegie Museum 79(1):39-50 [M. Carrano/M. Oreska]
69772 M. C. Lamanna, G. A. Casal, L. M. Ibiricu and R. D. F. Martínez. 2019. A new peirosaurid crocodyliform from the Upper Cretaceous Lago Colhué Huapi Formation of central Patagonia, Argentina. Annals of Carnegie Museum 85(3):193-211 [P. Mannion/P. Mannion]
14276ETE M. Luna, G. Casal, R. Martínez, M. Lamanna, L. Ibiricu and E. Ivany. 2003. La presencia de un Ornithopoda (Dinosauria: Ornithischia) en el Miembro Superior de la Formación Bajo Barreal (Campaniano-Maastrichtiano?) del sur del Chubut [Presence of an Ornithopoda (Dinosauria: Ornithischia) in the Upper Member of the Bajo Barreal Formation (Campanian-Maastrichtian?) of southern Chubut]. Ameghiniana 40(4, suppl.):61R [M. Carrano/M. Carrano/M. Carrano]
38236 A. G. Martinelli, D. Riff, and R. P. Lopes. 2011. Discussion about the occurrence of the genus Aeolosaurus Powell 1987 (Dinosauria, Titanosauria) in the Upper Cretaceous of Brazil. Gaea - Journal of Geoscience 7(1):34-40 [P. Mannion/P. Mannion/M. Carrano]
58994 R. D. F. Martínez, M. C. Lamanna, F. E. Novas, R. C. Ridgley, G. A. Casal, J. E. Martínez, J. R. Vita and L. M. Witmer. 2016. A basal lithostrotian titanosaur (Dinosauria: Sauropoda) with a complete skull: implications for the evolution and paleobiology of Titanosauria. PLoS ONE 11(4):e0151661:1-82 [M. Carrano/M. Carrano]
76422 S. F. Poropat. 2019. Final report. Winston Churchill Memorial Trust of Australia 1-56 [M. Carrano/M. Carrano/M. Carrano]