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Neuquén - Bajo de la Carpa, Argentina

GroupNeuquén
FormationBajo de la Carpa
Age:85.8 - 83.5 Ma
Late/Upper Cretaceous
IntervalSantonian
Lithologysandstone, conglomerate/sandstone, mudstone
Number of Collections24
Number of Occurrences72

Recorded Sample Locations

LocationRegionStratigraphic Name
Boca del SapoConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Sitio TraukuConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
La Bonita Hill quarryEl Cuy Department, Río Negro Province, ArgentinaNeuquén - Bajo de la Carpa
Universidad Nacional del Comahue Confluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Boca del SapoConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Tripailao Farm SitesEl Cuy Department, Río Negro Province, ArgentinaNeuquén - Bajo de la Carpa
Boca del SapoConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Universidad Nacional del Comahue Confluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Bajo del AñeloAñelo Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Paso CórdovaEl Cuy Department, Río Negro Province, ArgentinaNeuquén - Bajo de la Carpa
Northern region of Neuquén City localityEl Cuy Department, Río Negro Province, ArgentinaNeuquén - Bajo de la Carpa
Campus of the Universidad Nacional del ComahueConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
South hill of the Neuquén RiverConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Campus of the Universidad Nacional del ComahueConfluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
West of Paso CórdovaGeneral Roca Department, Río Negro Province, ArgentinaNeuquén - Bajo de la Carpa
El Zampal section - Huincul FormationMalargüe Department, Mendoza Province, ArgentinaNeuquen - Bajo de la Carpa
La Invernada Pehuenches Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Paso CórdobaGeneral Roca Department, Río Negro Province, ArgentinaNeuquén - Bajo de la Carpa
Tratayenia-type localityAñelo Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa
Sierra Barrosa Confluencia Department, Neuquén Province, ArgentinaNeuquén - Bajo de la Carpa

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Malargüe - Allen83.5 - 66.0 Ma
Late/Upper Cretaceous
sandstone, mudstone55
Neuquén - Anacleto83.5 - 70.6 Ma
Late/Upper Cretaceous
mudstone/sandstone, sandstone, siltstone, siltstone/sandstone, mudstone, sandstone/mudstone, "siliciclastic"60
Neuquén - Cerro Lisandro93.5 - 89.3 Ma
Late/Upper Cretaceous
siltstone, mudstone, claystone/sandstone18
Neuquén - Huincul99.6 - 89.3 Ma
Late/Upper Cretaceous
sandstone, sandstone/claystone, mudstone/sandstone80

Recorded Fossils

Accepted NameHierarchyAge
Racemonocolpites sp.
genus
6Plantae : Tracheophyta : Liliopsida : Arecales : Arecaceae : Racemonocolpites86.3 - 83.6 Ma
Late/Upper Cretaceous
Liliacidites sp.
genus
6Plantae : Tracheophyta : Liliopsida : Liliales : Liliacidites86.3 - 83.6 Ma
Late/Upper Cretaceous
Liliacidites kaitangataensis
species
7Plantae : Tracheophyta : Liliopsida : Liliales : Liliacidites : Liliacidites kaitangataensis86.3 - 83.6 Ma
Late/Upper Cretaceous
Confossia vulgaris
species
7Confossia : Confossia vulgaris86.3 - 83.6 Ma
Late/Upper Cretaceous
Gnetaceaepollenites jansonii
species
7Gnetaceaepollenites : Gnetaceaepollenites jansonii86.3 - 83.6 Ma
Late/Upper Cretaceous
Singhia sp.
genus
6Singhia86.3 - 83.6 Ma
Late/Upper Cretaceous
Classopollis sp.
genus
6Plantae : Tracheophyta : Pinopsida : Pinales : Cheirolepidiaceae : Classopollis86.3 - 83.6 Ma
Late/Upper Cretaceous
Classopollis classoides
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Cheirolepidiaceae : Classopollis : Classopollis classoides86.3 - 83.6 Ma
Late/Upper Cretaceous
Callialasporites trilobatus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Callialasporites : Callialasporites trilobatus86.3 - 83.6 Ma
Late/Upper Cretaceous
Microcachryidites antarcticus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Microcachryidites : Microcachryidites antarcticus86.3 - 83.6 Ma
Late/Upper Cretaceous
Podocarpidites sp.
genus
6Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites86.3 - 83.6 Ma
Late/Upper Cretaceous
Podocarpidites rugulosus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : Podocarpidites rugulosus86.3 - 83.6 Ma
Late/Upper Cretaceous
Cretacaeiporites scabratus
species
7Plantae : Tracheophyta : Magnoliopsida : Austrobaileyales : Trimeniaceae : Cretacaeiporites : Cretacaeiporites scabratus86.3 - 83.6 Ma
Late/Upper Cretaceous
Psilatricolporites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Psilatricolporites86.3 - 83.6 Ma
Late/Upper Cretaceous
Tricolpites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Tricolpites86.3 - 83.6 Ma
Late/Upper Cretaceous
Proteacidites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Proteales : Proteacidites86.3 - 83.6 Ma
Late/Upper Cretaceous
Syncolporites sp.
genus
6Plantae : Spermatophyta : Magnoliopsida : Santalales : Loranthaceae : Syncolporites86.3 - 83.6 Ma
Late/Upper Cretaceous
Cupanieidites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Sapindales : Sapindaceae : Cupanieidites86.3 - 83.6 Ma
Late/Upper Cretaceous
Neuquenornis volans
species
7Animalia : Chordata : Aves : Avisauridae : Neuquenornis : Neuquenornis volans86.3 - 83.6 Ma
Late/Upper Cretaceous
Ornithothoraces
unranked clade
99Animalia : Chordata : Aves : Ornithothoraces86.3 - 83.6 Ma
Late/Upper Cretaceous
Patagopteryx deferrariisi
species
7Animalia : Chordata : Aves : Patagopteryx : Patagopteryx deferrariisi86.3 - 83.6 Ma
Late/Upper Cretaceous
Crocodylia
order
4Animalia : Chordata : Reptilia : Crocodylia86.3 - 83.6 Ma
Late/Upper Cretaceous
Baurusuchidae
family
5Animalia : Chordata : Reptilia : Crocodylia : Baurusuchidae85.8 - 83.5 Ma
Late/Upper Cretaceous
Cynodontosuchus rothi
species
7Animalia : Chordata : Reptilia : Crocodylia : Baurusuchidae : Cynodontosuchus : Cynodontosuchus rothi86.3 - 83.6 Ma
Late/Upper Cretaceous
Wargosuchus australis
species
7Animalia : Chordata : Reptilia : Crocodylia : Baurusuchidae : Wargosuchus : Wargosuchus australis86.3 - 83.6 Ma
Late/Upper Cretaceous
Comahuesuchus brachybuccalis
species
7Animalia : Chordata : Reptilia : Crocodylia : Comahuesuchus : Comahuesuchus brachybuccalis86.3 - 83.6 Ma
Late/Upper Cretaceous
Microsuchus schilleri
species
7Animalia : Chordata : Reptilia : Crocodylia : Goniopholididae : Microsuchus : Microsuchus schilleri85.8 - 83.5 Ma
Late/Upper Cretaceous
Neuquensuchus universitas
species
7Animalia : Chordata : Reptilia : Crocodylia : Neuquensuchus : Neuquensuchus universitas85.8 - 83.5 Ma
Late/Upper Cretaceous
Notosuchus terrestris
species
7Animalia : Chordata : Reptilia : Notosuchus : Notosuchus terrestris86.3 - 83.6 Ma
Late/Upper Cretaceous
Barrosasuchus neuquenianus
species
7Animalia : Chordata : Reptilia : Eosuchia : Peirosauridae : Barrosasuchus : Barrosasuchus neuquenianus86.3 - 83.6 Ma
Late/Upper Cretaceous
Peirosauridae
family
5Animalia : Chordata : Reptilia : Crocodylia : Peirosauridae86.3 - 83.6 Ma
Late/Upper Cretaceous
Pterosauria
order
4Animalia : Chordata : Reptilia : Pterosauria86.3 - 83.6 Ma
Late/Upper Cretaceous
Dinilysia patagonica
species
7Animalia : Chordata : Reptilia : Squamata : Dinilysia : Dinilysia patagonica86.3 - 83.6 Ma
Late/Upper Cretaceous
Lomalatachelys neuquina
species
7Animalia : Chordata : Reptilia : Testudines : Chelidae : Lomalatachelys : Lomalatachelys neuquina86.3 - 83.6 Ma
Late/Upper Cretaceous
Achillesaurus manazzonei
species
7Animalia : Chordata : Reptilia : Dinosauria : Alvarezsauridae : Achillesaurus : Achillesaurus manazzonei86.3 - 83.6 Ma
Late/Upper Cretaceous
Alvarezsaurus calvoi
species
7Animalia : Chordata : Reptilia : Dinosauria : Alvarezsauridae : Alvarezsaurus : Alvarezsaurus calvoi86.3 - 83.6 Ma
Late/Upper Cretaceous
Tratayenia rosalesi
species
7Animalia : Chordata : Saurischia : Avetheropoda : Megaraptoridae : Tratayenia : Tratayenia rosalesi86.3 - 83.6 Ma
Late/Upper Cretaceous
Carnotaurinae
subfamily
5.3Animalia : Chordata : Saurischia : Abelisauridae : Carnotaurinae86.3 - 83.6 Ma
Late/Upper Cretaceous
Viavenator exxoni
species
7Animalia : Chordata : Saurischia : Abelisauridae : Viavenator : Viavenator exxoni86.3 - 83.6 Ma
Late/Upper Cretaceous
Velocisaurus unicus
species
7Animalia : Chordata : Reptilia : Dinosauria : Noasauridae : Velocisaurus : Velocisaurus unicus86.3 - 83.6 Ma
Late/Upper Cretaceous
Bonitasaura salgadoi
species
7Animalia : Chordata : Saurischia : Bonitasaura : Bonitasaura salgadoi86.3 - 83.6 Ma
Late/Upper Cretaceous
Theropoda
unranked clade
99Animalia : Chordata : Saurischia : Theropoda86.3 - 83.6 Ma
Late/Upper Cretaceous
Titanosauriformes
unranked clade
99Animalia : Chordata : Saurischia : Macrurosaurus : Titanosauriformes86.3 - 83.6 Ma
Late/Upper Cretaceous
Titanosaurus sp.
genus
6Animalia : Chordata : Reptilia : Dinosauria : Titanosauridae : Titanosaurus86.3 - 83.6 Ma
Late/Upper Cretaceous
Traukutitan eocaudata
species
7Animalia : Chordata : Saurischia : Traukutitan : Traukutitan eocaudata86.3 - 83.6 Ma
Late/Upper Cretaceous
Neuquensaurus sp.
genus
6Animalia : Chordata : Saurischia : Saltasauridae : Neuquensaurus86.3 - 83.6 Ma
Late/Upper Cretaceous
Neuquensaurus australis
species
7Animalia : Chordata : Saurischia : Saltasauridae : Neuquensaurus : Neuquensaurus australis86.3 - 83.6 Ma
Late/Upper Cretaceous
Titanosauridae
family
5Animalia : Chordata : Reptilia : Dinosauria : Titanosauridae86.3 - 83.6 Ma
Late/Upper Cretaceous
Equisetosporites sp.
genus
6Plantae : Cycadophyta : Cycadopsida : Gnetales : Equisetosporites86.3 - 83.6 Ma
Late/Upper Cretaceous
Equisetosporites albertensis
species
7Plantae : Cycadophyta : Cycadopsida : Gnetales : Equisetosporites : Equisetosporites albertensis86.3 - 83.6 Ma
Late/Upper Cretaceous
Equisetosporites cancellatus
species
7Plantae : Cycadophyta : Cycadopsida : Gnetales : Equisetosporites : Equisetosporites cancellatus86.3 - 83.6 Ma
Late/Upper Cretaceous
Equisetosporites multicostatus
species
7Plantae : Cycadophyta : Cycadopsida : Gnetales : Equisetosporites : Equisetosporites multicostatus86.3 - 83.6 Ma
Late/Upper Cretaceous
Steevesipollenites sp.
genus
6Plantae : Tracheophyta : Gnetopsida : Gnetales : Steevesipollenites86.3 - 83.6 Ma
Late/Upper Cretaceous
Crassitricolporites sp.
genus
6Plantae : Magnoliophyta : Crassitricolporites86.3 - 83.6 Ma
Late/Upper Cretaceous
Dryadopollis sp.
genus
6Plantae : Magnoliophyta : Dryadopollis86.3 - 83.6 Ma
Late/Upper Cretaceous
Gabonisporis vigourouxii
species
7Plantae : Pteridophyta : Gabonisporis : Gabonisporis vigourouxii86.3 - 83.6 Ma
Late/Upper Cretaceous
Gleicheniidites senonicus
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites : Gleicheniidites senonicus86.3 - 83.6 Ma
Late/Upper Cretaceous

References

Lydekker R. Contributions to a knowledge of the fossil vertebrates of Argentina. I. — The dinosaurs of Patagonia, Anales del Museo de La Plata. Paleontología Argentina 2, 1-16
Woodward A. S. On two Mesozoic crocodilians from the red sandstones of the territory of Neuquen (Argentina Republic). Notosuchus (genus novum) and Cynodontosuchus (genus novum), Anales del Museo de La Plata. Paleontología Argentina 4, 1-20
Woodward A. S. (1901) On some extinct reptiles from Patagonia, of the genera Miolania, Dinilysia, and Genyodectes, Proceedings of the Zoological Society of London 1901 1, 169-184
Saez M. D. d. (1928) Un nuevo goniofolido Argentino, Anales de la Sociedad Cientifica Argentina, Buenos Aires 105, 287-290
Rage J.-C., Albino A. M. (1989) Dinilysia patagonica (Reptilia, Serpentes): matériel vertébral additionnel du Crétacé supérieur d’Argentine. Etude complémentaire des vertèbres, variations intraspécifiques et intraolumnaires, Neues Jahrbuch für Geologie und Paläontologie Monatshefte 1989, 443-447
Bonaparte J. F. (1991) Los vertebrados fósiles de la Formación Rio Colorado, de la Ciudad de Neuquén y Cercanías, Cretácico Superior, Argentina [The vertebrate fossils of the Rio Colorado Formation, from the city of Neuquén and surrounding areas, Upper Cretaceous, Argentina], Revista del Museo Argentino de Ciencias Naturales "Bernardino Rivadavia" e Instituto Nacional de Investigación de las Ciencias Naturales: Paleontología 4 3, 17-123
Alvarenga H. M. F., Bonaparte J. F. (1992) A new flightless landbird from the Cretaceous of Patagonia, Los Angeles County Museum of Natural History, Science Series 36, 51-64
Chiappe L. M., Calvo J. O. (1994) Neuquenornis volans, a new Late Cretaceous bird (Enantiornithes, Avisauridae) from Patagonia, Argentina, Journal of Vertebrate Paleontology 14 2, 230-246
Chiappe L. M. (1996) Early avian evolution on the southern hemisphere: the fossil record of birds in the Mesozoic of Gondwana, Memoirs of the Queensland Museum 39 3, 533-554
Caldwell M.W., Albino A. M. (2001) Palaeoenvironment and palaeoecology of three Cretaceous snakes: Pachyophis, Pachyrhachis, and Dinilysia., Acta Palaeontologica Polonica 46 2, 203-218
Lapparent de Broin F. de, de la Fuente M. S. (2001) Oldest world Chelidae (Chelonii, Pleurodira), from the Cretaceous of Patagonia, Argentina, C. R. Acad. Sci. Paris, Sciences de la Terre et des planètes 333, 463-470
Martinelli A. G. (2003) New cranial remains of the bizarre notosuchid Comahuesuchus brachybuccalis (Archosauria, Crocodyliformes) from the Late Cretaceous of Río Negro Province (Argentina), Ameghiniana 40 4, 559-572
Apesteguía S. (2004) Bonitasaura salgadoi gen. et sp. nov.: a beaked sauropod from the Late Cretaceous of Patagonia, Naturwissenschaften 91 10, 493-497
Pol D. (2005) Postcranial remains of Notosuchus terrestris (Archosauria: Crocodyliformes) from the upper Cretaceous of Patagonia, Argentina, Ameghiniana 42 1, 21-38
Porfiri J. D., Calvo J. O. (2006) A new record of Carnotaurinae (Theropoda: Abelisauridae) from the Upper Cretaceous of Neuquén, Patagonia, Journal of Vertebrate Paleontology 26 3, suppl., 111A-112A
Calvo J. O., Kellner A. W. A. (2006) Description of a sauropod dinosaur braincase (Titanosauridae) from the Late Cretaceous Río Colorado Subgroup, Patagonia, Anais da Academia Brasileira de Ciências 78 1, 175-182
Martinelli A. G., Vera E. I. (2007) Achillesaurus manzzonei, a new alvarezsaurid theropod (Dinosauria) from the Late Cretaceous Bajo de la Carpa Formation, Río Negro Province, Argentina, Zootaxa 1582, 1-17
Chiappe L. M. (2007) Aves, Patagonian Mesozoic Reptiles, 257-270
Fiorelli L. E., Calvo J. O. (2007) The first "protosuchian" (Archosauria: Crocodyliformes) from the Cretaceous (Santonian) of Gondwana, Arquivos do Museu Nacional, Rio de Janeiro 65 4, 417-459
Fiorelli L., Calvo J. O. (2008) New remains of Notosuchus terrestris Woodward, 1896 (Crocodyliformes: Mesoeucrocodylia) from Late Cretaceous of Neuquen, Patagonia, Argentina, Arquivos do Museu Nacional, Rio de Janeiro 66 1, 83-124
Martinelli A. G., Pais D. F. (2008) A new baurusuchid crocodyliform (Archosauria) from the Late Cretaceous of Patagonia (Argentina), Comptes Rendus Palevol 7, 371-381 doi:10.1016/j.crpv.2008.05.002
Fiorelli L. E. (2010) Predation bite-marks on a peirosaurid crocodyliform from the Upper Cretaceous of Neuquén Province, Argentina, Ameghiniana 47 3, 387-400
Vallati P. (2010) Asociaciones palinológicas con Angiospermas en el Cretácico Superior de la Cuenca Neuquina, Argentina, Revista Brasileira de Paleontolgia 13 2, 143-158 doi:10.4072/rbp.2010.2.07
Juárez Valieri R. D., Calvo J. O. (2011) Revision of MUCPv 204, a Senonian basal titanosaur from northern Patagonia, Dinosaurios y Paleontología desde América Latina. Anales del III Congreso Latinoamericano de Paleontología. Editorial de la Universidad Nacional de Cuyo, Neuquén, 143-152
Gallina P. A., Apesteguía S. (2011) Cranial anatomy and phylogenetic position of the titanosaurian sauropod Bonitasaura salgadoi, Acta Palaeontologica Polonica 56 1, 45-60
Mannion P. D., Otero A. (2012) A reappraisal of the Late Cretaceous Argentinean sauropod dinosaur Argyrosaurus superbus, with a description of a new titanosaur genus, Journal of Vertebrate Paleontology 32 3, 614-638
Maniel I., de la Fuente M. S. (2012) Comentarios sobre el registro de tortugas crown-Pleurodira durante el Cretacico de Patagonia, Ameghiniana 49 4, 32-32
Vallati P. (2013) Paleotropical pollen grains from the Neuquén Group, Patagonia, Argentina, Carnets de Géologie 5, 273-279
Filippi L. S., Méndez A. H., et al (2016) A new brachyrostran with hypertrophied axial structures reveals an unexpected radiation of latest Cretaceous abelisaurids, Cretaceous Research 60, 209-219 doi:10.1016/j.cretres.2015.12.018
Brissón Egli F., Agnolín F. L., et al (2016) A new specimen of Velocisaurus unicus (Theropoda, Abelisauroidea) from the Paso Córdoba locality (Santonian), Río Negro, Argentina, Journal of Vertebrate Paleontology 36 4, e1119156:1-12 doi:10.1080/02724634.2016.1119156
Leardi J. M., Pol D., et al (2018) New Patagonian baurusuchids (Crocodylomorpha;Notosuchia) from the Bajo de la Carpa Formation (Upper Cretaceous; Neuquén, Argentina): New evidences of the early sebecosuchian diversification in Gondwana, Comptes Rendus Palevol 8 1, e54275 doi:10.1016/j.crpv.2018.02.002
Porfiri J. D., Juárez Valieric R. D., et al (2018) A new megaraptoran theropod dinosaur from the Upper Cretaceous Bajo de la Carpa Formation of northwestern Patagonia, Cretaceous Research 89, 302-319 doi:10.1016/j.cretres.2018.03.014
Coria R. A., Ortega F., et al (2019) A new and complete peirosaurid (Crocodyliformes, Notosuchia) from Sierra Barrosa (Santonian, Upper Cretaceous) of the Neuquén Basin, Argentina, Cretaceous Research 95, 89-105 doi:10.1016/j.cretres.2018.11.008
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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