Also known as Estancia "Anita" locality 5
Where: Santa Cruz, Argentina (50.5° S, 72.5° W: paleocoordinates 52.5° S, 62.4° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Chorrillo Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• upper third of the Chorrillo Formation, roughly 20 meters below the beds with marine molluscs (interpreted as the base of the Calafate Formation)
•The age of this locality has been revised in Moyano-Paz et al., 2022.
•The Chorrillo Formation in Argentina is correlated to the nearby and coeval Dorotea Formation in Chile.
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; gray, green claystone
Size class: macrofossils
Collected in 2019
• discovered by General F. Nullo
Primary reference: F. E. Novas, F. L. Agnolin, S. Rozadilla, A. M. Aranciaga-Rolando, F. Brisson-Egli, M. J. Motta, M. Cerroni, M. D. Ezcurra, A. G. Martinelli, J. S. D’Angelo, and G. Alvarez-Herrera. 2019. Paleontological discoveries in the Chorrillo Formation (upper Campanian-lower Maastrichtian, Upper Cretaceous), Santa Cruz Province, Patagonia, Argentina. Revista del Museo Argentino de Ciencias Naturales, Nueva Serie 21(2):217-293 [P. Mannion/P. Mannion/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 206970: authorized by Philip Mannion, entered by Philip Mannion on 10.12.2019, edited by Evangelos Vlachos
Creative Commons license: CC BY (attribution)
Taxonomic list
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Isasicursor santacrucensis n. gen. n. sp.
Isasicursor santacrucensis n. gen. n. sp. Novas et al. 2019 ornithopod MPM 21525 (holotype), MPM 21526-21541
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Megaraptoridae indet. Novas et al. 2013 coelurosaur MPM-PV-22864, four incomplete and isolated teeth
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Nullotitan glaciaris Novas et al. 2019 sauropod MPM 21547, sequence of five mid-caudal vertebrae with their respective haemal arches
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