Where: Buenos Aires, Argentina (38.0° S, 61.0° W: paleocoordinates 38.1° S, 59.6° W)
• coordinate based on political unit
• local area-level geographic resolution
When: Monte Hermoso Formation, Montehermosan (6.8 - 4.0 Ma)
• Marine cliffs
•
•Quattrocchio et al. 2009: Monte Hermoso, the red earth cliffs near Punta Alta
• member-level stratigraphic resolution
Environment/lithology: terrestrial; siltstone
Size classes: macrofossils, mesofossils
Collected by Darwin and others in 1833 and others
• Type: left-lower premolar-molar
•Paratype: Fragment of left mandible with incisor alveolus
Primary reference: R. 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13503: authorized by John Alroy, entered by Jill Wertheim on 09.04.2002, edited by Mark Uhen, Juan Carrillo, Richard Hulbert, Jelle Zijlstra, Evangelos Vlachos, Miranta Kouvari and Grace Varnham
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Mammalia | |
Phugatherium cataclysticum4, Anchimysops villalobosi4, "Neoanchimys pisanoi n. gen. n. sp." = Phugatherium cataclisticum, "Chapalmatherium perturbidum" = Phugatherium cataclisticum4
"Neoanchimys pisanoi n. gen. n. sp." = Phugatherium cataclisticum Ameghino 1887 caviomorph | |
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Dasypotherium australis n. gen. n. sp.9
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Nunezia caroloameghinoi n. gen. n. sp.8
Nunezia caroloameghinoi n. gen. n. sp.8 Kraglievich 1934 giant anteater MACN 6125, left third metacarpal
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Notocynus hermosicus n. gen. n. sp.7
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Hyperdidelphys parvula6 Ameghino 1904 opossum Holotype: MACN 7920 maxilla fragment; MLP 46-V-13-81, cranial and vertebral fragments;
Hyperdidelphys inexpectata6 Ameghino 1889 opossum 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
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Reptilia | |
Testudo formosa n. sp.9, "Testudo australis n. sp." = Chelonoidis australis9, "Testudo praestans n. sp." = Chelonoidis australis12, "Chelonoidis santafecina n. sp." = Chelonoidis australis1
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Aves | |
Foetopterus ambiguus n. gen. n. sp.10
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Dryornis pampeanus n. gen. n. sp.10
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Protorhea azarae n. gen. n. sp.10
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Pisces | |
"Pisces indet." = Osteichthyes9
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Tetrapromotho argentinus n. gen. n. sp.2
Tetrapromotho argentinus n. gen. n. sp.2 Ameghino 1907 |