Where: Santa Cruz, Argentina (50.2° S, 69.7° W: paleocoordinates 50.8° S, 64.0° W)
• coordinate stated in text
• local area-level geographic resolution
When: Santa Cruz Formation, Santacrucian (17.5 - 16.3 Ma)
• formation-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: mesofossils
Collected by C. Ameghino, Fernicola et al in 2013-2014
• Recent fieldwork carried out between 2013 and 2014 by joint expeditions of the MLP, MACN, and Duke University
Primary reference: J. C. Fernicola, J. I. Cuitiño, S. F. Vizcaíno, M. S. Bargo, and R. F. Kay. 2014. Fossil localities of the Santa Cruz Formation (Early Miocene, Patagonia, Argentina) prospected by Carlos Ameghino in 1887 revisited and the location of the Notohippidian. Journal of South American Earth Sciences 52:94-107 [J. Zijlstra/J. Zijlstra/J. Zijlstra]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 176622: authorized by Jelle Zijlstra, entered by Jelle Zijlstra on 18.02.2016, edited by Miranta Kouvari and Kateryn Pino
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
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Hapalops sp. Ameghino 1887 edentate | |
"Stegotherium tessellatum" = Stegotherium tesselatum3
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Prozaedyus sp., Prozaedyus proximus3, Proeutatus sp., "Proeutatus oenophorus" = Proeutatus oenophorum3, Stenotatus sp., Stenotatus patagonicus3
Prozaedyus sp. Ameghino 1891 edentate
Proeutatus sp. Ameghino 1891 edentate
Stenotatus sp. Ameghino 1891 edentate | |
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Propalaehoplophorus sp. Ameghino 1887 edentate | |
Astrapotherium sp. Burmeister 1879 placental | |
Adinotherium sp. Ameghino 1887 notoungulate
Nesodon sp. Owen 1846 notoungulate | |
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Homunculus sp. Ameghino 1891 monkey | |
"Acarechimys pascuali n. sp." = Acarechimys gracilis4, Acarechimys minutus n. sp.4, "Ameghinomys constans" = Acarechimys constans4
"Acarechimys pascuali n. sp." = Acarechimys gracilis4 Ameghino 1891 caviomorph Holotype: MLP 15-391a (sintype of Stichomys constans; Patterson in Pascual 1967)
Acarechimys minutus n. sp.4 Patterson and Pascual 1967 caviomorph the Holotype comes from here: MLP 15-410a
"Ameghinomys constans" = Acarechimys constans4 Ameghino 1887 caviomorph the lectotype, MLP 15-391c and MACN A 247 (both mandi- bles) come from the coastal cliffs of River Santa Cruz (Ameghino 1887; Fernicola et al. 2014 and literature cited therein)
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Acaremys sp. Ameghino 1887 caviomorph | |
Neoreomys sp. Ameghino 1887 caviomorph | |
Thoatherium sp. Ameghino 1887 placental | |
Palaeothentes sp. Ameghino 1887 marsupial |