This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
B. Vera, 2020 - New insights into the Kibenikhoria and Ernestokokenia faunas and the implications for the early Eocene of Patagonia, Argentina - Journal of Vertebrate Paleontology (), e1772-21 (journal article, English)
M. B. de Silva Lacerda, 2020 - New outcrop with vertebrate remains from Solimões Formation (Eocene–Pliocene), Southern Solimões Basin, Acre State, Northern Brazil - Journal of South American Earth Sciences (101), 1-14 (journal article, English)
G. M. López, 2020 - Biochron and diversity of Archaeopithecidae (Mammalia, Notoungulata) and a new genus and species from the Eocene of Patagonia, Argentina - Ameghiniana (57), 103-116 (journal article, English)
D. A. Croft, 2020 - A new typothere notoungulate (Mammalia: Interatheriidae), from the Miocene Nazareno Formation of Southern Bolivia - Ameghiniana (57), 189-208 (journal article, English)
A. N. Zimicz, 2020 - Archaeogaia macachaae gen. et sp. nov., one of the oldest Notoungulata Roth, 1903 from the early-middle Paleocene Mealla Formation (Central Andes, Argentina) with insights into the Paleocene-Eocene south American biochronology - Journal of South American Earth Sciences (), 10277- (journal article, English)
A. Solórzano, 2019 - The Early to late Middle Miocene mammalian assemblages from the Cura-Mallín Formation, at Lonquimay, southern Central Andes, Chile (38°S): Biogeographical and paleoenvironmental implications - Journal of South American Earth Sciences (96), 1-18 (journal article, English)
B. Vera, 2019 - A new species and the record of Hemihegetotherium (Notoungulata, T Hegetotheriidae) in the Middle to Late Miocene of Patagonia, Argentina - Journal of South American Earth Sciences (93), 23-35 (journal article, English)
F. D. Seoane, 2019 - Re-assessment of the Oligocene genera Prosotherium and Propachyrucos (Hegetotheriidae, Notoungulata) - Comptes Rendus Palevol (18), 643-662 (journal article, English)
M. Fernández, 2019 - The genus Patriarchus Ameghino, 1889 (Mammalia, Notoungulata, Typotheria), from the Santa Cruz Formation, Santa Cruz Province, Argentina - Journal of Vertebrate Paleontology (), e1613- (journal article, English)
N. Bauzá, 2019 - Early steps in the radiation of notoungulate mammals in southern South America: A new henricosborniid from the Eocene of Patagonia - Acta Palaeontologica Polonica (64), 597-603 (journal article, English)
A. Tauber, 2019 - Estratigrafía, paleontología y paleoambientes del Plioceno de la provincia de Córdoba - Opera lilloana 52: Mioceno al Pleistoceno del centro y norte de Argentina (389), - (journal article, Spanish)
C. I. Montalvo, 2019 - A chasicoan (late miocene) vertebrate assemblage from cerro azul formation, central Argentina. Geomorphological and biochronological considerations - Journal of South American Earth Sciences (), - (journal article, English)
F. D. Seoane , 2019 - Systematic revision of Hegetotherium and Pachyrukhos (Hegetotheriidae, Notoungulata) and a new phylogenetic analysis of Hegetotheriidae - Journal of Systematic Palaeontology (17), 1635-1663 (journal article, English)
M. Fernández, 2019 - Notoungulata and Astrapotheria (Mammalia, Meridiungulata) of the Santa Cruz Formation (Early-Middle Miocene) Along the Río Santa Cruz, Argentine Patagonia - Early–Middle Miocene Paleontology in the Río Santa Cruz, Southern Patagonia, Argentina. 130 years since Ameghino, 1887 (19), 138-169 (book chapter, English)
M. A. Armella, 2018 - A new species of Xotodon (Notoungulata, Toxodontidae) from northwestern Argentina - Journal of Vertebrate Paleontology (38), e1425- (journal article, English)
J. D. Carrillo, 2018 - The Neogene record of northern South American native ungulates - Smithsonian Contributions to Paleobiology (101), - (journal article, English)
A. R. Wyss, 2018 - New Paleogene Notohippids and Leontiniids (Toxodontia; Notoungulata; Mammalia) from the Early Oligocene Tinguiririca Fauna of the Andean Main Range, Central Chile - American Museum Novitates (3903), 1-42 (journal article, English)
R. Sostillo, 2018 - Taxonomic implications of a large sample of Tremacyllus (Hegetotheriidae: Pachyrukhinae) from the late Miocene Cerro Azul formation of La Pampa, Argentina - Ameghiniana (55), 407-422 (journal article, English)
L. E. Cruz, 2018 - New Vertebrates of the Brochero Formation (Córdoba, Argentina): A Review of the Pliocene of Central Argentina - Journal of Mammalian Evolution (25), 315-326 (journal article, English)
B. Vera, 2018 - The Interatheriinae (Mammalia, Notoungulata) of the Friasian sensu stricto and Mayoan (middle to late Miocene), and the fossils from Cerro Zeballos, Patagonia, Argentina - Journal of Systematic Palaeontology (0), 1-21 (journal article, English)
E. Cerdeño, 2018 - A new early Miocene Mesotheriidae (Notoungulata) from the Mariño Formation (Argentina): Taxonomic and biostratigraphic implications - Journal of South American Earth Sciences (88), 118-131 (journal article, English)
B. Vera, 2017 - The Interatheriinae notoungulates from the middle Miocene Collón Curá Formation in Argentina - Acta Palaeontologica Polonica (62), 845-863 (journal article, English)
F. D. Seoane, 2017 - Phylogeny and paleobiogeography of Hegetotheriidae (Mammalia, Notoungulata) - Journal of Vertebrate Paleontology (37), e1278-13 (journal article, English)
A. G. Kramarz, 2017 - Systematics and stratigraphical range of the hegetotheriids Hegetotheriopsissulcatus and Prohegetotherium sculptum (Mammalia: Notoungulata) - Journal of Systematic Palaeontology (15), 1027-1036 (journal article, English)
S. Hernández Del Pino, 2017 - New postcranial remains of large toxodontian notoungulates from the late Oligocene of Mendoza, Argentina and their systematic implications - Acta Palaeontologica Polonica (62), 195-210 (journal article, English)
D. A. García-López, 2017 - Fossil mammals of the Quebrada de los Colorados Formation (late middle Eocene) at the locality of La Poma, Salta Province, Argentina - Historical Biology (), - (journal article, English)
B. Vera, 2017 - The Interatheriinae from the Late Oligocene of Mendoza (Argentina), with comments on some Deseadan Interatheriidae - Historical Biology (29), 607-626 (journal article, English)
B. Vera, 2017 - Patagonian Eocene Archaeopithecidae Ameghino, 1897 (Notoungulata): systematic revision, phylogeny and biostratigraphy - Journal of Paleontology (), - (journal article, English)
R. A. Bonini, 2017 - First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina - Journal of Paleontology (91), 566-5- (journal article, English)
B. J. Shockey, 2016 - A new species of Trachytherus (Notoungulata: Mesotheriidae) from the late Oligocene (Deseadan) of Southern Peru and the middle latitude diversification of early diverging mesotheriids - Zootaxa (4111), 565-583 (journal article, English)
D. A. Croft, 2016 - New mammal faunal data from Cerdas, Bolivia, a middle-latitude Neotropical site that chronicles the end of the Middle Miocene Climatic Optimum in South America - Journal of Vertebrate Paleontology (36), e1163- (journal article, English)
B. Vera, 2016 - Phylogenetic revision of the South American notopithecines (Mammalia: Notoungulata) - Journal of Systematic Palaeontology (14), 461-480 (journal article, English)
V. Deraco, 2016 - A new Eocene Toxodontia (Mammalia, Notoungulata) from northwestern Argentina - Journal of Vertebrate Paleontology (36), e1037-11 (journal article, English)
M. A. Reguero, 2015 - A new hypsodont notoungulate (Hegetotheriidae, Pachyrukhinae) from the late Miocene of the Eastern Cordillera, Salta province, northwest of Argentina - Andean Geology (42), 56-70 (journal article, English)
D. A. García López, 2015 - Notoungulate faunas of north-western Argentina: new findings of early-diverging forms from the Eocene Geste Formation - Journal of Systematic Palaeontology (13), 557-579 (journal article, English)
J. Bradham, 2015 - New Notoungulates (Notostylopidae and Basal Toxodontians) from the Early Oligocene Tinguiririca Fauna of the Andean Main Range, Central Chile - American Museum Novitates (3841), 1-24 (journal article, English)
E. Cerdeño, 2015 - A new Leontiniidae (Notoungulata) from the Late Oligocene beds of MendozaProvince, Argentina - Journal of Systematic Palaeontology (13), 943-962 (journal article, English)
E. Cerdeño, 2015 - The Hegetotheriidae (Mammalia, Notoungulata) assemblage from the late Oligocene of Mendoza, central-western Argentina - Journal of Vertebrate Paleontology (35), e9071-14 (journal article, English)
A. M. Forasiepi, 2015 - New toxodontid (Notoungulata) from the Early Miocene of Mendoza, Argentina - Palaeontologische Zeitschrift (89), 611-634 (journal article, English)
A. G. Kramarz, 2015 - Systematic description of three new mammals (Notoungulata and Rodentia) from the Early Miocene Cerro Bandera Formation, Northern Patagonia, Argentina - Ameghiniana (52), 585-597 (journal article, English)
B. Vera, 2014 - Systematic revision of Antepithecus brachystephanus Ameghino, 1901, and dental eruption sequence in Eocene ‘‘notopithecines’’ (Notoungulata) from Patagonia - Geobios (47), 165-181 (journal article, English)
M. Lorente, 2014 - Postcranial anatomy of the early notoungulate Allalmeia atalaensis from the Eocene of Argentina - Alcheringa (38), 398-411 (journal article, English)
E. Cerdeño, 2014 - First Record of Mesotheriidae in the Late Oligocene of Mendoza Province, Argentina - Ameghiniana (51), 366-370 (journal article, English)
F. Seoane, 2014 - First Extra-Patagonian Record of Asmodeus Ameghino (Notoungulata, Homalodotheriidae) in the Late Oligocene of Mendoza Province, Argentina - Ameghiniana (51), 373-384 (journal article, English)
E. Cerdeno, 2013 - Milk molars or extra premolars in Mesotheriinae (Mesotheriidae, Notoungulata): New insights into an old controversy - Geobios (46), 195-202 (journal article, English)
A. M. Ribeiro, 2013 - Mamíferos fósiles y biocronología en el suroeste de la Amazonia, Brasil - Asociación Paleontológica Argentina, Publicación Especial (14), 207-221 (journal article, Spanish)
B. Vera, 2013 - Acoelodus connectus Ameghino, 1901, Sinónimo de Transpithecus obtentusAmeghino, 1901, “Notopithecinae” del Eoceno de Patagonia - Ameghiniana (50), 535-540 (journal article, Spanish)
A. G. Kramarz, 2013 - Un Hegetotheriidae (Mammalia, Notoungulata) basal del Mioceno temprano de PatagoniaAlejandro - Revista Mexicana de Ciencias Geológicas (30), 186-195 (journal article, Spanish)
M. de los Reyes, 2013 - First evidence of scavenging of a Glyptodont (Mammalia, Glyptodontidae) from the Pliocene of the Pampean region (Argentina): taphonomic and paleoecological remarks - Palaeontologia Electronica (16), 1-13 (journal article, English)
B. Vera, 2012 - Revisión del género Transpithecus Ameghino, 1901 (Notoungulata, Interatheriidae) del Eoceno medio de Patagonia, Argentina - Ameghiniana (49), 60-74 (journal article, Spanish)
E. Cerdeño, 2012 - An almost complete skeleton of a new Mesotheriidae (Notoungulata) from the Late Miocene of Casira, Bolivia - Journal of Systematic Palaeontology (10), 341-360 (journal article, English)
B. J. Shockey, 2012 - New leontiniid Notoungulata (Mammalia) from Chile and Argentina: comparative anatomy, character analysis, and phylogenetic hypotheses - American Museum Novitates (3737), 1-64 (journal article, English)
G. Billet, 2011 - Phylogeny of the Notoungulata (Mammalia) based on cranial and dental characters - Journal of Systematic Palaeontology (9), 481-497 (journal article, English)
D. A. García López, 2011 - Griphotherion peiranoi, gen. et sp. nov., a new Eocene Notoungulata (Mammalia, Meridiungulata) from northwestern Argentina - Journal of Vertebrate Paleontology (31), 1117-1130 (journal article, English)
J. E. Powell, 2011 - Eocene vertebrates of northwest Argentina: annotated list - Cenozoic Geology of the Central Andes of Argentina (), 349-370 (book chapter, English)
D. A. García López, 2011 - Basicranial Osteology of Colbertia lumbrerense Bond, 1981 (Mammalia: Notoungulata) - Ameghiniana (48), 3-12 (journal article, English)
E. Cerdeño, 2010 - Mendozahippus fierensis, gen. et sp. nov., new Notohippidae (Notoungulata) from the Late Oligocene of Mendoza (Argentina) - Journal of Vertebrate Paleontology (30), 1805-1817 (journal article, English)
G. M. López, 2010 - The Notohippidae (Mammalia, Notoungulata) from Gran Barranca: preliminary considerations - The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia (), 143-151 (book chapter, English)
G. M. López, 2010 - Divisaderan: Land Mammal Age or local fauna? - The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia (), 410-420 (book chapter, English)
A. M. Ribeiro, 2010 - The Leontiniidae (Mammalia, Notoungulata) from the Sarmiento Formation at Gran Barranca, Chubut Province, Argentina - The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia (), 170-181 (book chapter, English)
A. G. Kramarz, 2010 - A new mammal fauna at the top of the Gran Barranca sequence and its biochronological significance - The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia (), 264-277 (book chapter, English)
M. A. Reguero, 2010 - Rodent-like notoungulates (Typotheria) from Gran Barranca, Chubut Province, Argentina: phylogeny and systematics - The Paleontology of Gran Barranca: Evolution and Environmental Change through the Middle Cenozoic of Patagonia (), 148-165 (book chapter, English)
B. Townsend, 2010 - Middle Miocene Mesotheriine diversity at Cerdas, Bolivia and a reconstruction of Plesiotypotherium minus - Palaeontologia Electronica (13), 1A- (journal article, English)
B. J. Shockey, 2009 - Paleontology and geochronology of the Deseadan (late Oligocene) of Moquegua, Peru - American Museum Novitates (3668), 1-24 (journal article, English)
D. A. García López, 2009 - Un nuevo Oldfieldthomasiidae (Mammalia: Notoungulata) del Paleógeno de la provincia de Salta, Argentina - Ameghiniana (46), 153-164 (journal article, Spanish)
G. Billet, 2009 - Craniodental anatomy of late Oligocene archaeohyracids (Notoungulata, Mammalia) from Bolivia and Argentina and new phylogenetic hypotheses - Zoological Journal of the Linnean Society (155), 458-509 (journal article, English)
E. Cerdeño, 2008 - Biostratigraphic considerations of the Divisaderan faunal assemblage - Journal of Vertebrate Paleontology (28), 574-577 (journal article, English)
G. Billet, 2008 - Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution - Zoological Journal of the Linnean Society (152), 153-200 (journal article, English)
M. F. Tejedor, 2008 - A Neotype for Homunculus patagonicus Ameghino, 1891, and a new interpretation of the taxon - PaleoAnthropology (), 68-82 (journal article, English)
M. V. Deraco, 2008 - Primer leontínido (Mammalia, Notoungulata) de la Formación Lumbrera (Subgrupo Santa Bárbara, Grupo Salta-Paleógeno) del noroeste argentino - Ameghiniana (45), 83-91 (journal article, Spanish)
H. Marani, 2008 - El cráneo más completo de Eurygenium latirostris Ameghino, 1895 (Mammalia, Notoungulata), un Notohippidae del Deseadense (Oligoceno Tardío) de la Patagonia, Argentina - Ameghiniana (45), 619-626 (journal article, Spanish)
R. B. Hitz, 2008 - New interatheres (Mammalia, Notoungulata) from the late Oligocene Salla Beds of Bolivia - Journal of Paleontology (82), 447-469 (journal article, English)
B. J. Shockey, 2008 - Postcranial osteology of mammals from Salla, Bolivia (Late Oligocene): form, function, and phylogenetic implications - Mammalian evolutionary morphology: a tribute to Frederick S. Szalay (), 135-157 (book/book chapter, English)
M. A. Reguero, 2008 - Eocene archaeohyracids (Mammalia: Notoungulata: Hegetotheria) from the Puna, northwest Argentina - Journal of South American Earth Sciences (26), 225-233 (journal article, English)
M. A. T. Dantas, 2007 - Megafauna do Pleistoceno final de Vitoria da Conquista, Bahia: taxonomia e aspectos tafonomicos - Scientia Plena (3), 30-36 (journal article, Portugese)
M. A. Reguero, 2007 - A poorly known rodent-like mammal (Pachyrukhinae, Hegetotheriidae, Notoungulata) from the Deseadan (Late Oligocene) of Argentina. Paleoecology, biogeography, and radiation of the rodentlike ungulates in South America - Journal of Paleontology (81), 1301-1307 (journal article, English)
D. Brandoni, 2007 - A new genus for the Megatheriinae (Xenarthra, Tardigrada, Megatheriidae) from the Arroyo Chasicó Formation (Upper Miocene) of Buenos Aires Province, Argentina - Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen (244), 53-64 (journal article, English)
D. A. Croft, 2007 - The middle Miocene (Laventan) Quebrada Honda fauna, southern Bolivia and description of its notoungulates - Palaeontology (50), 277-303 (journal article, English)
R. B. Hitz, 2006 - New Basal Interatheriidae (Typotheria, Notoungulata, Mammalia) from the Paleogene of Central Chile - American Museum Novitates (3520), 1-32 (journal article, English)
D. A. Croft, 2006 - A new middle Miocene hegetotheriid (Notoungulata: Typotheria) and a phylogeny of the Hegetotheriidae - Journal of Vertebrate Paleontology (26), 387-399 (journal article, English)
B. J. Shockey, 2006 - Discovery of Deseadan fossils in the upper Moquegua Formation (late Oligocene - ?early Miocene) of southern Peru - Journal of Vertebrate Paleontology (26), 205-208 (journal article, English)
J. C. Cisneros, 2005 - New Pleistocene vertebrate fauna from El Salvador - Revista Brasileira de Paleontologia (8), 239-255 (journal article, English)
B. J. Shockey, 2005 - New leontinidids (Class Mammalia, Order Notoungulata, Family Leontiniidae) from the Salla beds of Bolivia (Deseadan, Late Oligocene) - Bulletin of the Florida Museum of Natural History (45), 249-260 (journal article, English)
C. M. Deschamps, 2005 - Late Cenozoic mammal bio-chronostratigraphy in southwestern Buenos Aires Province, Argentina - Ameghiniana (42), 733-750 (journal article, English)
J. J. Flynn, 2005 - New Mesotheriidae (Mammalia, Notoungulata, Typotheria), geochronology and tectonics of the Caragua area, northernmost Chile - Journal of South American Earth Sciences (19), 55-74 (journal article, English)
M. A. Reguero, 2005 - New late Oligocene Hegetotheriidae (Mammalia, Notoungulata) from Salla, Bolivia - Journal of Vertebrate Paleontology (25), 674-684 (journal article, English)
A. E. Zurita, 2004 - Mamíferos extintos del Cuaternario de la Provincia del Chaco (Argentina) y su relación con aquéllos del este de la región pampeana y de Chile - Revista geológica de Chile (31), 65-87 (journal article, Spanish)
D. A. Croft, 2004 - Notoungulata and Litopterna of Early Miocene Chucal Fauna, Northern Chile - Fieldiana Geology (50), 1-52 (journal article, English)
M. A. Reguero, 2004 - Un nuevo Trachytheriinae (Mammalia, Notoungulata) del Deseadense (Oligoceno tardío) de Patagonia, Argentina: implicancias en la filogenia, biogeografía y bioestratigrafía de los Mesotheriidae - Andean Geology (31), 45-64 (journal article, Spanish)
D. A. Croft, 2003 - Large archaeohyracids (Typotheria, Notoungulata) from central Chile and Patagonia including a revision of Archaeotypotherium - Fieldiana: Geology (49), 1-38- (serial monograph, )
M. A. Reguero, 2003 - A new species of Eopachyrucos (Mammalia, Notoungulata, Interatheriidae) from the Late Oligocene of Uruguay - Journal of Vertebrate Paleontology (23), 445-457 (journal article, English)
M. A. Reguero, 2003 - Small archaeohyracids from Chubut Province, Argentina and central Chile: implications for trans-Andean temporal correlation - Fieldiana: Geology (48), 1-17 (journal article, English)
R. Hitz, 2000 - New interatheriines (Interatheriidae, Notoungulata) from the Paleogene of Central Chile and Southern Argentina - Fieldiana: Geology (42), 1-26 (journal article, English)
D. A. Croft, 2000 - Archaeohyracidae (Mammalia, Notoungulata) from the Tinguiririca Fauna, central Chile, and the evolution and paleoecology of South American mammalian herbivores - (), - (Ph.D. thesis, )
N. L. Nasif, 2000 - A new toxodont from the late Miocene of Catamarca, Argentina, and a phylogenetic analysis of the Toxodontidae - Journal of Vertebrate Paleontology (30), 591-600 (journal article, English)
A. L. Cione, 2000 - Miocene vertebrates from Entre Rios province, eastern Argentina - Serie Correlacion Geologica (14), 191-237 (journal article, English)
L. A. Nessov, 1998 - Ungulate-like mammals from the Late Cretaceous of Uzbekistan and a phylogenetic analysis of Ungulatomorpha - Bulletin of Carnegie Museum of Natural History (34), 40-88 (journal article, English)
E. Cerdeno, 1998 - Taxonomic Revision and Phylogeny of Paedotherium and Tremacyllus (Pachyrukhinae, Hegetotheriidae, Notoungulata) from the Late Miocene to the Pleistocene of Argentina - Journal of Vertebrate Paleontology (18), 799-811 (journal article, English)
R. L. Cifelli, 1998 - Arctostylopida - Evolution of Tertiary Mammals of North America (1), 332-336 (book/book chapter, English)
R. H. Madden, 1997 - A new Toxodontid Notoungulate - Vertebrate Paleontology in the Neotropics. The Miocene fauna of La Venta, Colombia (), 335-354 (book chapter, English)
C. Villarroel, 1997 - New Leontiniid Notoungulate - Vertebrate Paleontology in the Neotropics. The Miocene fauna of La Venta, Colombia (), 303-318 (book chapter, English)
M. C. McKenna, 1997 - - Classification of Mammals Above the Species Level (), 1-640 (book, English)
B. J. Shockey, 1997 - Two new notoungulates (Family Notohippidae) from the Salla Beds of Bolivia (Deseadan: Late Oligocene): systematics and functional morphology - Journal of Vertebrate Paleontology (17), 584-599 (journal article, English)
A. A. Tauber, 1996 - Los representantes del género Protypotherium (Mammalia, Notoungulata, Interatheriidae) del Mioceno Temprano de la Provincia de Santa Cruz, Argentina - Academia Nacional de Ciencias (Córdoba, Argentina), Misceláneas (995), 1-30 (journal article, English)
G. M. López, 1995 - Un nuevo Notopithecinae (Notoungulata, Typotheria) del Terciario Inferior de la Puna, Argentina - Studia Geológica Salmanticensia (31), 87-99 (journal article, Spanish)
G. M. López, 1995 - Suniodon catamarcensis gen. et sp. nov. y otros Oldfieldthomasiidae (Notoungulata, Typotheria) del Eoceno de Antofagasta de la Sierra, Catamarca, Argentina - Actas, VI Congreso Argentino de Paleontología y Bioestratigrafía, Trelew (), 167-172 (journal article, Spanish)
M. Bond, 1995 - Los Mamíferos de la Formación Casa Grande (Eoceno) de la Provincia de Jujuy, Argentina - Ameghiniana (32), 301-309 (journal article, Spanish)
F. Anaya, 1995 - Pliocene mammals from Inchasi, Bolivia: The endemic fauna just before the Great American Interchange - Bulletin of the Florida Museum of Natural History (39), 87-140 (journal article, English)
C. Villarroel A., 1994 - Un nuevo Trachytherus (Notoungulata, Mammalia) en el Terciario de la Faja Subandina, norte de Bolivia - Congreso Geológica de Bolivia, Memorias (9), 28-32 (journal article, English)
M. Ubilla, 1994 - The Deseadan Land Mammal Age in Uruguay and the report of Scarrittia robusta nov. sp. (Leontiniidae, Notoungulata) in the Fray Bentos Formation (Oligocene - ? Lower Miocene) - Geobios (27), 95-102 (journal article, English)
P.-A. Saint-André, 1993 - Hoffstetterius imperator n. g., n. sp. du Miocène supérieur de l'Altiplano boliviene et le status des Dinotoxodontinés (Mammalia, Notoungulata) - Comptes Rendus de l'Académie des Sciences, series II (316), 539-545 (journal article, English)
B. J. MacFadden, 1993 - Magnetic polarity stratigraphy of Inchasi: a Pliocene mammal-bearing locality from the Bolivian Andes deposited just before the Great American Interchange - Earth and Planetary Science Letters (114), 229-241 (journal article, English)
M. Bond, 1993 - El primer Notohippidae (Mammalia, Notoungulata) de la Formación Lumbrera (Grupo Salta) del noroeste Argentino. Consideraciones sobre la sistematica de la familia Notohippidae - Ameghiniana (30), 59-68 (journal article, Spanish)
Y. Oiso, 1991 - New land mammal locality of middle Miocene (Colloncuran) age from Nazareno, southern Bolivia - Fósiles y Facies de Bolivia - Vol. 1 Vertebrados (Revista Ténica de YPFB) (12), 653-672 (book/book chapter, English)
L. G. Marshall, 1991 - The Eocene to Pleistocene vertebrates of Bolivia and their stratigraphic context: a review - Fósiles y Facies de Bolivia - Vol. 1 Vertebrados (Revista Ténica de YPFB) (12), 631-652 (book/book chapter, English)
L. G. Marshall, 1990 - Fossil Marsupialia from the type Friasian Land Mammal Age (Miocene), Alto Rio Cisnes, Aisen, Chile - Revista Geológica de Chile (17), 19-55 (journal article, English)
M. F. Soria, 1989 - Nuevos restos de mamiferos de la Cuenca de Taubaté, Estado de Sao Paulo, Brasil - Anais da Academia Brasileira de Ciencias (61), 157-175 (journal article, Spanish)
M. F. Soria, 1989 - El primer Notoungulata de la Formación Rio Loro (Paleoceno medio), Provincia de Tucumán, Republica Argentina - Ameghiniana (26), 145-151 (journal article, Spanish)
R. L. Carroll, 1988 - - Vertebrate Paleontology and Evolution (), 1-698 (compendium, English)
C. Villarroel, 1985 - Un nuevo y singular representante de la familia Leontiniidae? (Notoungulata, Mammalia) en el Mioceno de La Venta, Colombia - Geologia Norandina (9), 35-40 (journal article, Spanish)
L. G. Marshall, 1983 - Perutherium altiplanense, un notongulé du Crétacé supérieur du Pérou - Palaeovertebrata (13), 145-155 (journal article, French)
M. G. Vucetich, 1982 - Los primeros Isotemnidae (Mammalia, Notoungulata) registrados en la Formación Lumbrera (Grupo Salta), del Noroeste Argentino - Ameghiniana (16), 1-2-7-18 (journal article, Spanish)
M. Bond, 1981 - Un nuevo Oldfieldthomasiidae (Mammalia, Notoungulata) del Eoceno inferior (Fm. Lumbrera, Grupo Salta) del NW Argentino - II Congresso Latino-Americano de Paleontología (2), 521-536 (journal article, Spanish)
M. G. Vucetich, 1980 - Un nuevo Notostylopidae (Mammalia, Notoungulata) proveniente de la Formación Lumbrera (Grupo Salta) del noroeste argentino - Ameghiniana (17), 363-372 (journal article, Spanish)
Z. Kielan-Jaworowska, 1979 - Eutheria - Mesozoic mammals: the first two-thirds of mammalian history (), 221-258 (book/book chapter, English)
R. Pascual, 1978 - Los primeros mamiferos (notoungulata, henricosborniidae) de la Formacion Mealla (Grupo Salta, subgrupo Santa Barbara) : sus implicancias filogeneticas, taxonomicas y cronologicas - Ameghiniana (15), 366-390 (journal article, Spanish)
A. Mones, 1978 - La Edad Deseadense (Oligoceno inferior) de la Formación Fray Bentos y su contenido paleontológico, con especial referencia a la presencia de Proborhyaena cf. gigantea Ameghino (Marsupialia: Borhyaenidae) en el Uruguay. Nota preliminar - Comunicaciones Paleontológicas del Museo de Historia Natural de Montevideo (7), 151-158 (journal article, English)
C. Villarroel, 1974 - Un Mésothérine nouveau (Notoungulata, Mammalia) dans le Miocéne supérieur de Bolivia. - (), - (journal article, English)
R. Pascual, 1971 - Mesa redonda: Evolución de las comunidades de los Vertebrados del Terciario argentino. Los aspectos paleozoogeográficos y paleoclimáticos - Ameghiniana (7), 372-412 (journal article, Spanish)
G. G. Simpson, 1970 - Mammals from the early Cenozoic of Chubut, Argentina - Breviora (360), 1-13 (journal article, English)
G. G. Simpson, 1967 - The beginning of the age of mammals in South America. Part II. - Bulletin of the American Museum of Natural History (137), 1-260 (serial monograph, )
R. Pascual, 1965 - Los Toxodontidae (Toxodonta, Notoungulata) de la formacion Arroyo Chasico (Plioceno inferior) de la provincia de Buenos Aires. Caracteristicas geologicas - Ameghiniana (4), 101-132 (journal article, Spanish)
G. G. Simpson, 1962 - The mammalian fauna of the Divisadero Largo Formation, Mendoza, Argentina - Bulletin of the Museum of Comparative Zoology (127), 239-293 (journal article, English)
J. C. Francis, 1960 - Analisis de algunos factores de confusion en la systematica generica de los Mesotheriinae (Notoungulata, Typotheria) - Ameghiniana (2), 29-36 (journal article, Spanish)
A. B. De Ringuelet, 1957 - Estudio del genero Chasicotherium, Cabrera y Kraglievich 1931 (Notoungulata - Homalodotheriidae) - (1), 7-14 (journal article, Spanish)
R. Van Frank, 1957 - A fossil collection from northern Venezuela. 1. Toxodontidae (Mammalia, Notoungulata) - American Museum Novitates (1850), 1-38 (journal article, English)
C. Paula Couto, 1956 - Mamiferos fosseis do Cenozoico da Amazonia - Conselho Nacional de Pesquisas Boletim (3), 1-121 (journal article, Portugese)
C. d. Paula Couto, 1954 - On a Notostylopid from the Paleocene of Itaborai, Brazil - American Museum Novitates (1693), 1-5 (journal article, English)
R. A. Stirton, 1953 - A new genus of interatheres from the Miocene of Colombia - California University Department of Geological Sciences B (29), 265-347 (journal article, English)
C. d. Paula Couto, 1952 - Fossil mammals from the beginning of the Cenozoic in Brazil. Notoungulata - American Museum Novitates (1568), 1-16 (journal article, English)
D. E. Savage, 1951 - Report on Fossil Vertebrates from the Upper Magdalena Valley, Colombia - Science (114), 186-187 (journal article, English)
C. Rusconi, 1949 - El puelchense de Buenos Aires y su fauna (Plioceno Medio) segunda parte - Publicaciones del Instituto de Fisiographia y Geologia (36), 100-262 (journal article, Spanish)
G. G. Simpson, 1949 - A new adianthine litoptern and associated mammals from a Deseadan faunule in Mendoza, Argentina - American Museum Novitates (1434), 1-27 (journal article, English)
G. G. Simpson, 1948 - The beginning of the age of mammals in South America. Part I - Bulletin of the American Museum of Natural History (91), 1-232 (serial monograph, English)
G. G. Simpson, 1945 - The principles of classification and a classification of mammals - Bulletin of the American Museum of Natural History (85), 1-350 (serial monograph, )
G. G. Simpson, 1945 - A Deseado Hegetothere from Patagonia - American Journal of Science (243), 550-564 (journal article, English)
J. Royo y Gomez, 1945 - Los vertebrados del Terciario continental de Colombia - Revista Colombiana de ciencias exactas, físicas y naturales (6), 496-512 (journal article, Spanish)
A. Cabrera, 1939 - Sobre Vertebrados Fósiles del Plioceno de Adolfo Alsina - Revista del Museo de La Plata (2), 3-35 (journal article, Spanish)
G. G. Simpson, 1935 - Descriptions of the oldest known South American mammals, from the Rio Chico Formation - American Museum Novitates (793), 1-25 (journal article, English)
G. G. Simpson, 1935 - Occurrence and relationships of the Rio Chico fauna of Patagonia - American Museum Novitates (818), 1-21 (journal article, English)
G. G. Simpson, 1934 - A new notoungulate from the early Tertiary of Patagonia - American Museum Novitates (735), 1-3 (journal article, English)
G. G. Simpson, 1932 - New or little-known ungulates from the Pyrotherium and Colpodon beds of Patagonia - American Museum Novitates (576), - (journal article, English)
G. G. Simpson, 1932 - The supposed occurrences of Mesozoic mammals in South America - American Museum Novitates (530), 1-9 (journal article, English)
A. T. Hopwood, 1928 - Gyrinodon quassus, a new genus and species of toxodont from Western Buchivacoa (Venezuela) - Quarterly Journal of the Geological Society (84), 573-583 (journal article, English)
W. K. Gregory, 1910 - The orders of mammals - Bulletin of the American Museum of Natural History (27), 1-524 (journal article, English)
W. J. Sinclair, 1909 - Mammalia of the Santa Cruz Beds - Reports of the Princeton University expeditions to Patagonia 1896–1899 (), 1-110 (book chapter, English)
F. Ameghino, 1907 - Les toxodontes ¡a cornes [The horned toxodonts] - Anales del Museo Nacional de Buenos Aires (16), 49-91 (journal article, French)
S. Roth, 1904 - Noticias preliminares sobre nuevos mamíferos fósiles del Cretáceo superior y Terciario inferior de la Patagonia - Revista del Museo de la Plata (11), 135-158 (journal article, Spanish)
F. Ameghino, 1904 - Nuevas especies de mamíferos, cretáceos y terciarios de la República Argentina [New species of mammals, Cretaceous and Tertiarty, from the Argentine Republic] - Anales de la Sociedad Cientifica Argentina (56–58), 1-142 (journal article, Spanish)
S. Roth, 1903 - Los Ungulados Sudamericanos - Anales del Museo de La Plata (5), 1-36 (journal article, Spanish)
F. Ameghino, 1902 - Notices préliminaires sur des mammifères nouveaux des terrains Crétacé de Patagonie {preliminary notes on new mammals from the Cretaceous terrains of Patagonia] - Boletin de la Academia Nacional de Ciencias de Córdoba (17), 5-70 (journal article, French)
F. Ameghino, 1902 - Première contribution à la connaissance de la fauna mammalogique des couches à Colpodon [First contribution to the knowledge of the mammalian fauna of the Colopdon Beds] - Boletin de la Academia Nacional de Ciencias de Córdoba (17), 71-141 (journal article, French)
F. Ameghino, 1901 - L' age des Formations sedimentaires de Patagonie - Anales de la Sociedad Cientifica Argentina (52), 189-197 (journal article, Portugese)
F. Ameghino, 1901 - Notices préliminaires sur des ongulés nouveaux des terrains crétacés de Patagonie [Preliminary notes on new ungulates from the Cretaceous terrains of Patagonia] - Boletin de la Academia Nacional de Ciencias de Córdoba (16), 349-429 (journal article, French)
S. Roth, 1899 - Aviso preliminar sobre mamíferos mesozóicos encontrados en Patagonia [Preliminary notice on Mesozoic mammals found in Patagonia] - Revista del Museo de La Plata (9), 381-388 (journal article, English)
H. Gadow, 1898 - - A Classification of Vertebrata Recent and Extinct (), xvii-82 (book, English)
S. Roth, 1898 - - Reconocimiento de la Region Andina de la República Argentina. Apuntes sobre la Geología y la Paleontología de los Territorios del Río Negro y Neuquén (Diciembre de 1895 á Junio de 1896) [Reconaissance of the Andean Region of the Argentine Republic. Notes (), 1-56 (book, English)
F. Ameghino, 1897 - Mammiféres crétacés de l’Argentine (Deuxième contribution à la connaissance de la fauna mammalogique de couches à Pyrotherium) [Cretaceous mammals of Argentina (second contribution to the knowledge of the mammalian fauna of the Pyrotherium Beds)] - Boletin Instituto Geografico Argentino (18), 406-521 (journal article, French)
R. Lydekker, 1894 - Contributions to a knowledge of the Fossil Vertebrates of Argentina. III - A study of extinct argentine ungulates - Anales del Museo de La Plata. Paleontología Argentina (2), 1-86 (journal article, English)
F. Ameghino, 1894 - Sur les oiseaux fossiles de Patagonie; et la faune mammalogique des couches à Pyrotherium - Boletin del Instituto Geographico Argentino (15), 501-660 (journal article, French)
F. Ameghino, 1894 - Enumeration synoptique des especes de mammifères fossiles des formations éocènes de Patagonie - Boletin de la Academia Nacional de Ciencias en Cordoba (13), 259-452 (journal article, French)
F. Ameghino, 1891 - Nuevos restos de mamíferos fósiles descubiertos por Carlos Ameghino en el Eoceno inferior de la Patagonia austral. – Especies nuevas, adiciones y correcciones [New remains of fossil mammals discovered by Carlos Ameghino in the lower Eocene of southern Pat - Revista Argentina de Historia Natural (1), 289-328 (journal article, Spanish)
F. Ameghino, 1891 - Mamiferos y aves fosiles argentinas. --Especies nuevas, adiciones y correcciones - Revista Argentina Historia Natural (1), 240-259 (journal article, Spanish)
F. Ameghino, 1889 - Contribución al conocimiento de los mamíferos fósiles de la República Argentina [Contribution to the knowledge of the fossil mammals of the Argentine Republic] - Actas de la Academia Nacional de Ciencias de la República Argentina en Córdoba (6), xxxii-1027 (book/book chapter, Spanish)
F. P. Moreno, 1888 - Informe preliminar de los progresos del Museo La Plata, durante el primer semestre de 1888 - Boletim del Museo de La Plata (II), 1-35 (journal article, English)
F. Ameghino, 1887 - Observaciones generales sobre el orden de mamíferos estinguidos sud-americanos llamados toxodontes (Toxodontia) y sinopsis de los géneros y especies hasta ahora conocidos - Anales del Museo de La Plata (1), 1-66 (serial monograph, Spanish)
E. D. Cope, 1886 - A contribution to the vertebrate paleontology of Brazil - Paleontological Bulletin (40), 1-21 (journal article, English)
G. Burmeister, 1885 - Examen critico de los mamiferos y reptiles fosiles denominados por D. Augusto Bravard y mencionados en su obra precedente - Annales del Museo Nacional de Buenos Aires (3), 93-174 (journal article, Spanish)
F. Ameghino, 1885 - Nuevos restos de mamíferos fósiles Oligocenos recogidos por el Profesor Pedro Scalabrini y pertenecientes al Museo Provincial de la ciudad del Parana [New remains of Oligocene fossil mammals collected by Professor Pedro Scalabrini and belonging to the Pro - Boletín de la Academia Nacional de Ciencias (8), 1-205 (journal article, Spanish)
E. D. Cope, 1885 - A contribution to the vertebrate paleontology of Brazil - Proceedings of the American Philosophical Society (23), 1-21 (journal article, English)
F. Ameghino, 1883 - Sobre una nueva colección de mamíferos fósiles recogidos por el Profesor Scalabrini en Las Barrancas del Paraña [On a collection of fossil mammals collected by Professor Scalabrini in Las Barrancas of Paraña] - Boletin de la Academia Nacional de Ciencias (5), 55-104 (journal article, Spanish)
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