Monte Hermoso: Montehermosan, Argentina
collected by Darwin and others 1833

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Pseudotoxodon formosus
Moreno 1889
Pisces
Pisces indet. Linnaeus 1758
Moreno 1889
synonym of Osteichthyes
Mammalia - Cingulata - Dasypodidae
Dasypotherium australis n. gen., n. sp. Moreno 1889
Moreno 1889
Mammalia - Myrmecophagidae
Nunezia caroloameghinoi n. gen., n. sp. Kraglievich 1934
McDonald et al. 2008 1 specimen
MACN 6125, left third metacarpal
Mammalia - Rodentia - Ctenomyidae
Ctenomys priscus Owen 1840
Fernicola et al. 2009
found by Darwin
Mammalia - Rodentia - Hydrochoeridae
Phugatherium cataclysticum
Fernicola et al. 2009
Anchimysops villalobosi Kraglievich 1927
Fernicola et al. 2009
Neoanchimys pisanoi n. gen., n. sp. Pascual and Bondesio 1961
synonym of Phugatherium cataclisticum
Chapalmatherium perturbidum (Ameghino 1889)
Fernicola et al. 2009
original and current combination Hydrochoerus perturbidus
Mammalia - Rodentia - Caviidae
Hydrochoerus sp. Brisson 1762
Fernicola et al. 2009
found by Darwin
Mammalia - Carnivora - Procyonidae
Parahyaenodon argentinus Ameghino 1904
Forasiepi et al. 2007
Mammalia - Notoungulata - Haplodontheriidae
Trigodon gaudryi Ameghino 1887
Moreno 1889
Mammalia - Sparassodonta
Notocynus hermosicus n. gen., n. sp. Mercerat 1891
Marshall 1981 1 specimen
MLP 11-91, dentary m3, holotype
Mammalia - Didelphimorphia
Sparassocynus bahiai Mercerat 1898
Reig and Simpson 1972
Hyperdidelphys sp. Ameghino 1904
Goin and Pardiñas 1996
MMH 86-5-1, mandibular fragment
Hyperdidelphys inexpectata Ameghino 1889
Goin and Pardiñas 1996
Holotype: MACN 1615 mandibular fragment; MACN 11654 mandibular fragment, MACN 7949mandibular fragment, MACN 421-Amandibular fragment, MACN 7939mandibular fragment, MACN 7940mandibular fragment, MACN 7951mandibular fragment, MACN 7948 mandibular fragment, MMP 21 10-M palatal fragment, MACN 7950 cranial fragment
Hyperdidelphys parvula Ameghino 1904
Goin and Pardiñas 1996
Holotype: MACN 7920 maxilla fragment; MLP 46-V-13-81, cranial and vertebral fragments;
Reptilia - Testudines - Testudinidae
Testudo australis n. sp. Moreno 1889
Moreno 1889
recombined as Chelonoidis australis
MLP 26-400
Testudo praestans n. sp. Rovereto 1914
Rovereto 1914
synonym of Chelonoidis australis
MACN 5195, partial shell
Chelonoidis santafecina n. sp. Agnolin 2004
Agnolin 2004
synonym of Chelonoidis australis
Testudo formosa n. sp. Moreno 1889
Moreno 1889
nomen dubium belonging to Testudinidae
MLP, probably lost
Reptilia - Falconidae
Foetopterus ambiguus n. gen., n. sp. Moreno and Mercerat 1891
Moreno and Mercerat 1891
Reptilia - Gruiformes - Hermosiornithidae
Mesembriornis milneedwardsi n. gen., n. sp. Moreno 1889
Moreno 1889
Palaeociconia australis n. sp. Moreno 1889
Moreno 1889
Reptilia - Rheiformes - Rheidae
Protorhea azarae n. gen., n. sp. Moreno and Mercerat 1891
Moreno and Mercerat 1891
Reptilia - Tinamiformes - Tinamidae
Tinamisornis intermedius Rovereto 1914
Brodkorb 1961
=Roveretornis intermedius Brodkorb 1961
Tinamisornis parvulus Rovereto 1914
Brodkorb 1961
Reptilia - Cathartiformes - Cathartidae
Dryornis pampeanus n. gen., n. sp. Moreno and Mercerat 1891
Moreno and Mercerat 1891
unclassified
Tetrapromotho argentinus n. gen., n. sp. Ameghino 1907
Ameghino 1907
see common names

Geography
Country:Argentina State/province:Buenos Aires
Coordinates: 38.0° South, 61.0° West (view map)
Paleocoordinates:38.1° South, 59.6° West
Basis of coordinate:based on political unit
Geographic resolution:local area
Time
Period:Neogene Epoch:Pliocene
Stage:Zanclean 10 m.y. bin:Cenozoic 6
*Period:Late/Upper Tertiary *Epoch:Late/Upper Pliocene
*Local age/stage:Montehermosan
Key time interval:Montehermosan
Age range of interval:4.90000 - 3.70000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Monte Hermoso
Stratigraphic resolution:member
Stratigraphy comments: Marine cliffs

Quattrocchio et al. 2009: Monte Hermoso, the red earth cliffs near Punta Alta
Lithology and environment
Primary lithology: siltstone
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collectors:Darwin and others Collection dates:1833 and others
Collection method comments: Type: left-lower premolar-molar
Paratype: Fragment of left mandible with incisor alveolus
Taxonomic list comments:Fernicola, et al. 2009: Darwin visited this locality on the 19th Oct 1833
Metadata
Database number:13503
Authorizer:J. Alroy, C. Jaramillo, P. Mannion, E. Vlachos, J. Zijlstra, M. Uhen, J. Bloch Enterer:J. Wertheim, E. Vlachos, G. Varnham, J. Carrillo, R. Hulbert, M. Uhen, M. Kouvari, J. Zijlstra
Modifier:M. Kouvari Research group:vertebrate
Created:2002-04-09 17:17:02 Last modified:2019-09-04 06:17:24
Access level:the public Released:2002-04-09 17:17:02
Creative Commons license:CC BY
Reference information

Primary reference:
6117.5% 42720R. Pascual and P. Bondesio. 1961. Un nuevo Cardiatheriinae (Rodentia, Hydrochoeridae) de la Formacion Monte Hermoso (Pliocene Superior) de la Provincia de Buenos Aires. Algunas consideraciones sobre la evolucion morfolofica de los Molariformes de los Cardiatheriinae. Ameghiniana 2(6):93-109 [J. Alroy/J. Wertheim/M. Uhen]

Secondary references:

64147 F. Agnolin. 2004. Comentarios sobre las tortugas Testudinidae (Reptilia, Chelonii) del Pleistoceno de Argentina. Studia Geologica Salmanticensia 40:91-101 [E. Vlachos/E. Vlachos]
53388 F. Ameghino. 1907. Notas preliminares sobre el Tetraprothomo argentinus, un precursor del hombre del miocenosuperior de Monte Hermoso (Anales del Museo Nacional de Buenos- Aires. Journal de la Société des américaniste 4:257-260 [M. Uhen/A. Saeed/M. Uhen]
50475 P. Brodkorb. 1961. Notes on fossil tinamous. The Auk 78:257 [J. Bloch/R. Hulbert]
70005 J. C. Fernicola, S. F. Vizcaino, and G. De Iuliis. 2009. The fossil mammals collected by Charles Darwin in South America during his travels on board the HMS Beagle. Revista de la Asociación Geológica Argentina 64(1):147-159 [P. Mannion/M. Kouvari]
47205 A. M. Forasiepi, A. G. Martinelli, and F. J. Goin. 2007. Revisión taxonómica de Parahyaenodon argentinus Ameghino y sus implicancias en el conocimiento de los grandes mamíferos carnívoros del Mio-Plioceno de América de Sur. Ameghiniana 44(1):153-159 [C. Jaramillo/J. Carrillo]
73010 F. J. Goin and U. F. J. Pardiñas. 1996. Revisión de las especies del Género Hyperdidelphys Ameghino, 1904 (Mammalia, Marsupialia, Didelphidae). Su significación filogenética, estratigráfica y adaptativa en el Neógeno del Cono Sur Sudamericano. . Estudios Geológicos 52:327-359 [P. Mannion/G. Varnham/G. Varnham]
58306 L. G. Marshall. 1981. Review of the Hathlyacyninae, an extinct subfamily of South American "dog-like" marsupials. Fieldiana Geology 7:1-120 [J. Zijlstra/J. Zijlstra]
58233 H. G. McDonald, S. F. Vizcaíno, and M. S. Bargo. 2008. Skeletal anatomy and the fossil history of the Vermilingua. In S. F. Vizcaíno, W. J. Loughry (eds.), The Biology of the Xenarthra 64-78 [J. Zijlstra/J. Zijlstra/J. Zijlstra]
62131 F. P. Moreno. 1889. Breve reseña de los progresos del Museo de la Plata, durante el segundo semestre de 1888. Boletin del Museo de La Plata 2:1-44 [E. Vlachos/E. Vlachos/E. Vlachos]
29788 F. P. Moreno and A. Mercerat. 1891. Catálogo de los pájaros fósiles de la República Argentina conservados en el Museo de La Plata [Catalogue of the fossil birds from the Argentine Republic housed in the Museo de La Plata]. Anales del Museo de La Plata. Paleontología Argentina 1:7-71 [M. Uhen/M. Uhen/M. Carrano]
72970 O. A. Reig and G. G. Simpson. 1972. Sparassocynus (Marsupialia, Didelphidae), a peculiar mammal from the late Cenozoic of Argentina. Journal of Zoology 167(4):511-539 [P. Mannion/G. Varnham/G. Varnham]
63683 C. Rovereto. 1914. Los Estratos Araucanos y sus fósiles. Anales del Museo de Historia Natural de Buenos Aire 25:1-247 [E. Vlachos/E. Vlachos/M. Uhen]