Where: Neuquén, Argentina (40.4° S, 70.2° W: paleocoordinates 41.0° S, 65.8° W)
• coordinate stated in text
• local area-level geographic resolution
When: Collón Cura Formation, Colloncuran (15.5 - 13.8 Ma)
• Fossils are found just above or below Pilcaniyeu Ignimbritic member (Fig 3).
•Most of the fossils and all the primates occur in paleosols at the top of the ignimbrite member or just above it.
• member-level stratigraphic resolution
Environment/lithology: terrestrial; tuff
Size classes: macrofossils, mesofossils
Collected in 1990-1991; reposited in the MLP
Collection methods: bulk, surface (in situ),
• In 1990 and 1991, a group from Museo de La Plata (MLP) and Duke University returned to Cañadón del Tordillo and made another, larger collection of fossil vertebrates.
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•Vera et al 2017: Some specimens are new and some are un-published specimens of Roth’s (1899) old collection curated at Museo de La Plata.
Primary reference: M. G. Vucetich, M. M. Mazzoni, and U. F. J. Pardiñas. 1993. Los roedores de la Formación Collon Curá (Mioceno Medio), y la ignimbrita Pilcaniyeu. Cañadón del Tordillo, Neuquen. Ameghiniana 30(4):361-381 [C. Jaramillo/J. Carrillo]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 141175: authorized by Carlos Jaramillo, entered by Juan Carrillo on 21.03.2013, edited by Miranta Kouvari, Grace Varnham and Kateryn Pino
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
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"Protypotherium endiadys" = Protypotherium praerutilum8
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"Propithecia neuquenensis n. gen. n. sp." = Proteropithecia neuquenensis6
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Maruchito trilofodonte n. gen. n. sp.
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Galileomys colloncurensis n. sp.9
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Protacaremys denisae n. sp., Acarechimys sp., Acarechimys cf. minutus2, Acarechimys minutus2, Acarechimys minutissimus2
Protacaremys denisae n. sp. Vucetich et al. 1993 caviomorph
Acarechimys sp. Patterson 1965 caviomorph
Acarechimys minutissimus2 Ameghino 1887 caviomorph MLP 91-IX-1-95 MLP 91-IX-1-199b MLP 91-IX-1-201a MLP 91-IX-1-201b MLP 91-IX-1-201c
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Prolagostomus sp. Ameghino 1887 chinchilid | |
Dasyproctidae indet. Gray 1825 caviomorph
Alloiomys sp. Vucetich 1977 caviomorph | |
Neoreomys sp. Ameghino 1887 caviomorph | |
Eocardiidae indet. Ameghino 1891 caviomorph | |
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Neosteiromys tordillense n. sp.
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