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MalargĂĽe - Allen, Argentina

GroupMalargĂĽe
FormationAllen
Member(s)Lower
Age:83.5 - 66.0 Ma
Late/Upper Cretaceous
IntervalLate Campanian - Early Maastrichtian
Lithologysandstone, mudstone
Number of Collections9
Number of Occurrences55

Recorded Sample Locations

LocationRegionStratigraphic Name
Salitral Ojo de Agua Avellaneda Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen
Salitral MorenoEl Cuy Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen - Lower
Islas MalvinasPuelén Department, La Pampa Province, ArgentinaMalargüe - Allen
Cerro TortugaAvellaneda Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen - Lower
Bajo de Santa Rosa locality Valcheta Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen - Lower
canalGeneral Roca Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen
La Invernada Pehuenches Department, Neuquén Province, ArgentinaMalargüe - Allen
Arriagada III El Cuy Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen - Lower
Bodega Familia SchroederConfluencia Department, Neuquén Province, ArgentinaMalargüe - Allen
Salitral de Santa Rosa-Salinas de TrapalcoValcheta Department, RĂ­o Negro Province, ArgentinaMalargĂĽe - Allen
4.6 km East of “Salinas de Trapal-Có” Avellaneda Department, Río Negro Province, ArgentinaMalargüe - Allen
Lomas Coloradas - Fomación AllenAñelo Department, Neuquén Province, ArgentinaMalargüe - Allen

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Allen - Middle83.5 - 66.0 Ma
Late/Upper Cretaceous
mudstone/sandstone, sandstone/mudstone57
Anacleto83.5 - 70.6 Ma
Late/Upper Cretaceous
sandstone, claystone9
MalargĂĽe - Allen - Lower83.5 - 66.0 Ma
Late/Upper Cretaceous
sandstone, sandstone/siltstone, sandstone/mudstone63
Neuquén - Anacleto83.5 - 70.6 Ma
Late/Upper Cretaceous
mudstone/sandstone, sandstone, siltstone, siltstone/sandstone, mudstone, sandstone/mudstone, "siliciclastic"60
Neuquén - Bajo de la Carpa85.8 - 83.5 Ma
Late/Upper Cretaceous
sandstone, conglomerate/sandstone, mudstone72

Recorded Fossils

Accepted NameHierarchyAge
Plantae
kingdom
1Plantae83.5 - 66 Ma
Late/Upper Cretaceous
Clavamonocolpites sp.
genus
6Plantae : Tracheophyta : Liliopsida : Arecales : Clavamonocolpites83.5 - 66 Ma
Late/Upper Cretaceous
Spinizonocolpites sp.
genus
6Plantae : Tracheophyta : Liliopsida : Arecales : Spinizonocolpites83.5 - 66 Ma
Late/Upper Cretaceous
Liliacidites kaitangataensis
species
7Plantae : Tracheophyta : Liliopsida : Liliales : Liliacidites : Liliacidites kaitangataensis83.5 - 66 Ma
Late/Upper Cretaceous
Gnetaceaepollenites jansonii
species
7Gnetaceaepollenites : Gnetaceaepollenites jansonii83.5 - 66 Ma
Late/Upper Cretaceous
Tricesticillus tetris
species
7Tricesticillus : Tricesticillus tetris83.5 - 66 Ma
Late/Upper Cretaceous
Callialasporites trilobatus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Callialasporites : Callialasporites trilobatus83.5 - 66 Ma
Late/Upper Cretaceous
Dacrycarpites australiensis
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Dacrycarpites : Dacrycarpites australiensis83.5 - 66 Ma
Late/Upper Cretaceous
Phyllocladidites mawsonii
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Phyllocladidites : Phyllocladidites mawsonii83.5 - 66 Ma
Late/Upper Cretaceous
Podocarpidites auriculatus
species
7Plantae : Tracheophyta : Pinopsida : Pinales : Podocarpaceae : Podocarpidites : Podocarpidites auriculatus83.5 - 66 Ma
Late/Upper Cretaceous
Retitricolporites sp.
genus
6Plantae : Spermatophyta : Magnoliopsida : Retitricolporites83.5 - 66 Ma
Late/Upper Cretaceous
Striatricolporites gamerroi
species
7Plantae : Tracheophyta : Magnoliopsida : Striatricolporites : Striatricolporites gamerroi83.5 - 66 Ma
Late/Upper Cretaceous
Tricolpites reticulatus
species
7Plantae : Tracheophyta : Magnoliopsida : Tricolpites : Tricolpites reticulatus83.5 - 66 Ma
Late/Upper Cretaceous
Peninsulapollis sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Proteales : Peninsulapollis83.5 - 66 Ma
Late/Upper Cretaceous
Proteacidites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Proteales : Proteacidites83.5 - 66 Ma
Late/Upper Cretaceous
Proteacidites tenuiexinus
species
7Plantae : Tracheophyta : Magnoliopsida : Proteales : Proteacidites : Proteacidites tenuiexinus83.5 - 66 Ma
Late/Upper Cretaceous
Beaupreaidites sp.
genus
6Plantae : Tracheophyta : Magnoliopsida : Proteales : Proteaceae : Beaupreaidites83.5 - 66 Ma
Late/Upper Cretaceous
Lewalanipollis senectus
species
7Plantae : Tracheophyta : Magnoliopsida : Proteales : Proteaceae : Lewalanipollis : Lewalanipollis senectus83.5 - 66 Ma
Late/Upper Cretaceous
Hymenoptera
order
4Animalia : Arthropoda : Insecta : Hymenoptera83.5 - 66 Ma
Late/Upper Cretaceous
Lepisosteidae
family
5Animalia : Chordata : Actinopterygii : Lepisosteiformes : Lepisosteidae83.5 - 66 Ma
Late/Upper Cretaceous
Teleostei
unranked clade
99Animalia : Chordata : Actinopteri : Teleostei83.5 - 66 Ma
Late/Upper Cretaceous
Percichthyidae
family
5Animalia : Chordata : Actinopteri : Percichthyidae83.5 - 66 Ma
Late/Upper Cretaceous
Siluriformes
order
4Animalia : Chordata : Actinopterygii : Siluriformes83.5 - 66 Ma
Late/Upper Cretaceous
Diplomystidae
family
5Animalia : Chordata : Actinopteri : Siluriformes : Diplomystidae83.5 - 66 Ma
Late/Upper Cretaceous
Neornithes
subclass
3.3Animalia : Chordata : Aves : Neornithes83.5 - 66 Ma
Late/Upper Cretaceous
Charadriiformes
order
4Animalia : Chordata : Aves : Charadriiformes83.5 - 66 Ma
Late/Upper Cretaceous
Cimolopterygidae
family
5Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae83.5 - 66 Ma
Late/Upper Cretaceous
Lamarqueavis australis
species
7Animalia : Chordata : Aves : Charadriiformes : Cimolopterygidae : Lamarqueavis : Lamarqueavis australis83.5 - 66 Ma
Late/Upper Cretaceous
Limenavis patagonica
species
7Animalia : Chordata : Aves : Limenavis : Limenavis patagonica83.5 - 66 Ma
Late/Upper Cretaceous
Chondrichthyes
class
3Animalia : Chordata : Chondrichthyes83.5 - 66 Ma
Late/Upper Cretaceous
Mesungulatum lamarquensis
species
7Animalia : Chordata : Mammalia : Mesungulatidae : Mesungulatum : Mesungulatum lamarquensis83.5 - 66 Ma
Late/Upper Cretaceous
Groebertherium stipanicici
species
7Animalia : Chordata : Mammalia : Dryolestidae : Groebertherium : Groebertherium stipanicici83.5 - 66 Ma
Late/Upper Cretaceous
Barberenia allenensis
species
7Animalia : Chordata : Mammalia : Barbereniidae : Barberenia : Barberenia allenensis83.5 - 66 Ma
Late/Upper Cretaceous
Brandonia sp.
genus
6Animalia : Chordata : Mammalia : Brandoniidae : Brandonia83.5 - 66 Ma
Late/Upper Cretaceous
Trapalcotherium matuastensis
species
7Animalia : Chordata : Mammalia : Ferugliotheriidae : Trapalcotherium : Trapalcotherium matuastensis83.5 - 66 Ma
Late/Upper Cretaceous
Bonapartesaurus rionegrensis
species
7Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : Bonapartesaurus : Bonapartesaurus rionegrensis83.5 - 66 Ma
Late/Upper Cretaceous
Hadrosauridae
family
5Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae83.5 - 66 Ma
Late/Upper Cretaceous
Lapampasaurus cholinoi
species
7Animalia : Chordata : Reptilia : Dinosauria : Hadrosauridae : Lapampasaurus : Lapampasaurus cholinoi83.5 - 66 Ma
Late/Upper Cretaceous
Iguanodontidae
family
5Animalia : Chordata : Ornithischia : Iguanodontidae83.5 - 66 Ma
Late/Upper Cretaceous
Nodosauridae
family
5Animalia : Chordata : Ornithischia : Nodosauridae83.5 - 66 Ma
Late/Upper Cretaceous
Iguanodontia
unranked clade
99Animalia : Chordata : Ornithischia : Fulgurotherium : Iguanodontia83.5 - 66 Ma
Late/Upper Cretaceous
Ornithopoda
unranked clade
99Animalia : Chordata : Ornithischia : Ornithopoda83.5 - 66 Ma
Late/Upper Cretaceous
Anura
order
4Animalia : Chordata : Osteichthyes : Eobatrachus : Anura83.5 - 66 Ma
Late/Upper Cretaceous
Leptodactylidae
family
5Animalia : Chordata : Osteichthyes : Anura : Leptodactylidae83.5 - 66 Ma
Late/Upper Cretaceous
Kuruleufenia xenopoides
species
7Animalia : Chordata : Osteichthyes : Anura : Panpipidae : Kuruleufenia : Kuruleufenia xenopoides83.5 - 66 Ma
Late/Upper Cretaceous
Ceratodontidae
family
5Animalia : Chordata : Osteichthyes : Ceratodontidae83.5 - 66 Ma
Late/Upper Cretaceous
Dinosauria
order
4Animalia : Chordata : Reptilia : Dinosauria83.5 - 66 Ma
Late/Upper Cretaceous
Lamarquesaurus cabazai
species
7Animalia : Chordata : Reptilia : Rhynchocephalia : Sphenodontidae : Lamarquesaurus : Lamarquesaurus cabazai83.5 - 66 Ma
Late/Upper Cretaceous
Sphenodontinae
subfamily
5.3Animalia : Chordata : Reptilia : Rhynchocephalia : Sphenodontidae : Sphenodontinae83.5 - 66 Ma
Late/Upper Cretaceous
Elasmosauridae
family
5Animalia : Chordata : Reptilia : Sauropterygia : Brimosaurus : Elasmosauridae83.5 - 66 Ma
Late/Upper Cretaceous
Alamitophis argentinus
species
7Animalia : Chordata : Reptilia : Squamata : Madtsoiidae : Alamitophis : Alamitophis argentinus83.5 - 66 Ma
Late/Upper Cretaceous
Alamitophis elongatus
species
7Animalia : Chordata : Reptilia : Squamata : Madtsoiidae : Alamitophis : Alamitophis elongatus83.5 - 66 Ma
Late/Upper Cretaceous
Madtsoiidae
family
5Animalia : Chordata : Reptilia : Squamata : Madtsoiidae83.5 - 66 Ma
Late/Upper Cretaceous
Patagoniophis parvus
species
7Animalia : Chordata : Reptilia : Squamata : Boidae : Patagoniophis : Patagoniophis parvus83.5 - 66 Ma
Late/Upper Cretaceous
Australophis anilioides
species
7Animalia : Chordata : Reptilia : Squamata : Australophis : Australophis anilioides83.5 - 66 Ma
Late/Upper Cretaceous
Meiolaniformes
unranked clade
99Animalia : Chordata : Reptilia : Testudinata : Meiolaniformes83.5 - 66 Ma
Late/Upper Cretaceous
Testudinata
unranked clade
99Animalia : Chordata : Reptilia : Protochelys : Testudinata83.5 - 66 Ma
Late/Upper Cretaceous
Trapalcochelys sulcata
species
7Animalia : Chordata : Reptilia : Testudines : Meiolaniidae : Trapalcochelys : Trapalcochelys sulcata83.5 - 66 Ma
Late/Upper Cretaceous
Chelidae
family
5Animalia : Chordata : Reptilia : Testudines : Chelidae83.5 - 66 Ma
Late/Upper Cretaceous
Coelurosauria
suborder
4.3Animalia : Chordata : Saurischia : Avetheropoda : Coelurosauria83.5 - 66 Ma
Late/Upper Cretaceous
Bonapartenykus ultimus
species
7Animalia : Chordata : Saurischia : Avetheropoda : Alvarezsauridae : Bonapartenykus : Bonapartenykus ultimus83.5 - 66 Ma
Late/Upper Cretaceous
Austroraptor cabazai
species
7Animalia : Chordata : Reptilia : Dinosauria : Dromaeosauridae : Austroraptor : Austroraptor cabazai83.5 - 66 Ma
Late/Upper Cretaceous
Quilmesaurus sp.
genus
6Animalia : Chordata : Reptilia : Dinosauria : Abelisauridae : Quilmesaurus83.5 - 66 Ma
Late/Upper Cretaceous
Arriagadoolithus patagoniensis
species
7Animalia : Chordata : Reptilia : Dinosauria : Arriagadoolithidae : Arriagadoolithus : Arriagadoolithus patagoniensis83.5 - 66 Ma
Late/Upper Cretaceous
Elongatoolithidae
family
5Animalia : Chordata : Saurischia : Elongatoolithidae83.5 - 66 Ma
Late/Upper Cretaceous
Faveoloolithidae
family
5Animalia : Chordata : Saurischia : Faveoloolithidae83.5 - 66 Ma
Late/Upper Cretaceous
Sphaerovum sp.
genus
6Animalia : Chordata : Saurischia : Faveoloolithidae : Sphaerovum83.5 - 66 Ma
Late/Upper Cretaceous
Megaloolithidae
unranked clade
99Animalia : Chordata : Saurischia : Megaloolithidae83.5 - 66 Ma
Late/Upper Cretaceous
Aeolosaurus sp.
genus
6Animalia : Chordata : Reptilia : Dinosauria : Titanosauridae : Aeolosaurus83.5 - 66 Ma
Late/Upper Cretaceous
Panamericansaurus schroederi
species
7Animalia : Chordata : Reptilia : Dinosauria : Titanosauridae : Panamericansaurus : Panamericansaurus schroederi83.5 - 66 Ma
Late/Upper Cretaceous
Tetanurae
unranked clade
99Animalia : Chordata : Saurischia : Inosaurus : Tetanurae83.5 - 66 Ma
Late/Upper Cretaceous
Titanosauria
unranked clade
99Animalia : Chordata : Saurischia : Titanosauria83.5 - 66 Ma
Late/Upper Cretaceous
Bonatitan reigi
species
7Animalia : Chordata : Saurischia : Saltasauridae : Bonatitan : Bonatitan reigi83.5 - 66 Ma
Late/Upper Cretaceous
Neuquensaurus sp.
genus
6Animalia : Chordata : Saurischia : Saltasauridae : Neuquensaurus83.5 - 66 Ma
Late/Upper Cretaceous
Rocasaurus sp.
genus
6Animalia : Chordata : Reptilia : Dinosauria : Saltasauridae : Rocasaurus83.5 - 66 Ma
Late/Upper Cretaceous
Rocasaurus muniozi
species
7Animalia : Chordata : Reptilia : Dinosauria : Saltasauridae : Rocasaurus : Rocasaurus muniozi83.5 - 66 Ma
Late/Upper Cretaceous
Laplatasaurus araukanicus
species
7Animalia : Chordata : Reptilia : Dinosauria : Titanosauridae : Laplatasaurus : Laplatasaurus araukanicus83.5 - 66 Ma
Late/Upper Cretaceous
Gastropoda
class
3Animalia : Mollusca : Gastropoda83.5 - 66 Ma
Late/Upper Cretaceous
Triporoletes reticulatus
species
7Plantae : Bryophyta : Bryopsida : Triporoletes : Triporoletes reticulatus83.5 - 66 Ma
Late/Upper Cretaceous
Fraxinoipollenites sp.
genus
6Plantae : Magnoliophyta : Fraxinoipollenites83.5 - 66 Ma
Late/Upper Cretaceous
Camarozonosporites sp.
genus
6Plantae : Tracheophyta : Lycopodiopsida : Lycopodiales : Camarozonosporites83.5 - 66 Ma
Late/Upper Cretaceous
Hamulatisporis sp.
genus
6Plantae : Tracheophyta : Lycopodiopsida : Lycopodiales : Lycopodiaceae : Hamulatisporis83.5 - 66 Ma
Late/Upper Cretaceous
Retitriletes sp.
genus
6Plantae : Tracheophyta : Lycopodiopsida : Lycopodiales : Lycopodiaceae : Retitriletes83.5 - 66 Ma
Late/Upper Cretaceous
Ceratosporites equalis
species
7Plantae : Tracheophyta : Lycopodiopsida : Selaginellales : Selaginellaceae : Ceratosporites : Ceratosporites equalis83.5 - 66 Ma
Late/Upper Cretaceous
Gabonisporis sp.
genus
6Plantae : Pteridophyta : Gabonisporis83.5 - 66 Ma
Late/Upper Cretaceous
Clavifera triplex
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Clavifera : Clavifera triplex83.5 - 66 Ma
Late/Upper Cretaceous
Gleicheniidites senonicus
species
7Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Gleicheniaceae : Gleicheniidites : Gleicheniidites senonicus83.5 - 66 Ma
Late/Upper Cretaceous
Dictyophyllidites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Gleicheniales : Matoniaceae : Dictyophyllidites83.5 - 66 Ma
Late/Upper Cretaceous
Cyathidites sp.
genus
6Plantae : Tracheophyta : Cyathidites83.5 - 66 Ma
Late/Upper Cretaceous
Cyathidites minor
species
7Plantae : Tracheophyta : Cyathidites : Cyathidites minor83.5 - 66 Ma
Late/Upper Cretaceous
Cyathidites patagonicus
species
7Plantae : Tracheophyta : Cyathidites : Cyathidites patagonicus83.5 - 66 Ma
Late/Upper Cretaceous
Grapnelispora loncochensis
species
7Plantae : Pteridophyta : Pteridopsida : Grapnelispora : Grapnelispora loncochensis83.5 - 66 Ma
Late/Upper Cretaceous
Azolla sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Salviniales : Salviniaceae : Azolla83.5 - 66 Ma
Late/Upper Cretaceous
Biretisporites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae : Biretisporites83.5 - 66 Ma
Late/Upper Cretaceous
Cicatricosisporites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae : Cicatricosisporites83.5 - 66 Ma
Late/Upper Cretaceous
Klukisporites sp.
genus
6Plantae : Tracheophyta : Polypodiopsida : Schizaeales : Schizaeaceae : Klukisporites83.5 - 66 Ma
Late/Upper Cretaceous

References

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Salgado L., Coria R. A. (1993) El genero Aeolosaurus (Sauropoda, Titanosauridae) en la Formacion Allen (Campaniano-Maastrichtiano) de la Provincia de Rio Negro, Argentina [The genus Aeolosaurus (Sauropoda, Titanosauridae) in the Allen Formation (Campanian-Maastrichtian) of Rio Negro Province, Argentina], Ameghiniana 30 2, 119-128
Albino A. M. (1994) Una nueva serpiente (Reptilia) en el Cretácico Superior de Patagonia, Argentina, Pesquisas 21, 58-63
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González-Riga B. J., Casadío S. (2000) Primer registro de Dinosauria (Ornithischia, Hadrosauridae) en la provincia de La Pampa (Argentina) y sus implicancias paleobiogeográficas, Ameghiniana 37 3, 341-351
Coria R. A. (2001) New theropod from the Late Cretaceous of Patagonia, Mesozoic Vertebrate Life, 3-9
Clarke J. A., Chiappe L. M. (2001) A new carinate bird from the late Cretaceous of Patagonia (Argentina, American Museum Novitates 3323, 1-23
Hope S. (2002) The Mesozoic radiation of Neornithes, Mesozoic Birds: Above the Heads of Dinosaurs. University of California Press, Berkeley, 339-388
Martinelli A., Forasiepi A. M. (2004) Late Cretaceous vertebrates from Bajo de Santa Rosa (Allen Formation), RĂ­o Negro province, Argentina, with the description of a new sauropod dinosaur (Titanosauridae), Revista del Museo Argentino de Ciencias Naturales, nuevo serie 6 2, 257-305
Salgado L., Coria R. A., et al (2007) Upper Cretaceous dinosaur nesting sites of Rio Negro (Salitral Ojo de Agua and Salinas de Trapalco-Salitral de Santa Rosa), northern Patagonia, Argentina, Cretaceous Research 28, 392-404 doi:10.1016/j.cretres.2006.06.007
Paulina-Carabajal A., Salgado L. (2007) Un basicráneo de titanosaurio (Dinosauria, Sauropoda) del Cretácico Superior del norte de Patagonia: descripción y aportes al conocimiento del oído interno de los dinosaurios, Ameghiniana 44 1, 109-120
Apesteguia S., Rougier G. W. (2007) A Late Campanian sphenodontid maxilla from northern Patagonia, American Museum Novitates 3581, 1-11
Coria R. A., Cambiaso A. V., et al (2007) New records of basal ornithopod dinosaurs in the Cretaceous of north Patagonia, Ameghiniana 44 2, 473-477
Gómez R. O., Báez A. M., et al (2008) An anilioid snake from the Upper Cretaceous of northern Patagonia, Cretaceous Research 29, 481-488 doi:10.1016/j.cretres.2008.01.002
Novas F. E., Pol D., et al (2008) A bizarre Cretaceous theropod dinosaur from Patagonia and the evolution of Gondwanan dromaeosaurids, Proceedings of the Royal Society B doi:10.1098/rspb.2008.1554
Rougier G. W., Chornogubsky L., et al (2009) Mammals from the Allen Formation, Late Cretaceous, Argentina, Cretaceous Research 30, 223-238 doi:10.1016/j.cretres.2008.07.006
Salgado L., Coria R. A., et al (2009) Restos de Alvarezsauridae (Theropoda, Coelurosauria) en la FormaciĂłn Allen (Campaniano-Maastrictiano), en Salitral Ojo de Agua, Provincia de RĂ­o Negro, Argentina, Andean Geology 36 1, 67-80
Calvo J. O., Porfiri J. D. (2010) Panamericansaurus schroederi gen. nov. sp. nov. Un nuevo Sauropoda (Titanosauridae-Aeolosaurini) de la Provincia del Neuquén, Cretácico Superior de Patagonia, Argentina [Panamericansaurus schroederi gen. nov. sp. nov. A new Sauropoda (Titanosauridae-Aeolosaurini) from Neuquén Province, Upper Cretaceous of Patagonia, Argentina], Brazilian Geographical Journal: Geosciences and Humanities Research Medium 1, 100-115
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
Agnolin F. L. (2010) An avian coracoid from the Upper Cretaceous of Patagonia, Argentina, Studia Geologica Salmanticensia 46 2, 99-119
Juárez Valieri R. D., Haro J. A., et al (2010) A new hadrosauroid (Dinosauria: Ornithopoda) from the Allen Formation (Late Cretaceous) of Patagonia, Argentina, Revista del Museo Argentino de Ciencias Naturales, neuvo serie 12 2, 217-231
Genise J. F., Sarzetti L. C. (2011) Fossil cocoons associated with a dinosaur egg from Patagonia, Argentina, Palaeontology 54 4, 815-823 doi:10.1111/j.1475-4983.2011.01064.x
Apesteguia S., Jones M. E. H. (2012) A Late Cretaceous "tuatara" (Lepidosauria; Sphenodontinae) from South America, Cretaceous Research 34, 154-160 doi:10.1016/j.cretres.2011.10.014
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Vlachos E. (2017) Personal opinions
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