Where: Chubut, Argentina (43.2° S, 69.3° W)
• Paleocoordinates: 50.9° S, 22.5° W (Wright 2013)
• coordinate stated in text
• small collection-level geographic resolution
When: Cañadón Calcáreo Formation (Sierra de Olte Group), Late/Upper Oxfordian to Late/Upper Oxfordian (161.2 - 145.0 Ma)
• originally listed as Cañadón Asfalto Fm.; "at the base of the Cañadón Calcáreo Formation, some 15–20 m above the discordant contact with the volcanic and volcanoclastic rocks of the Lonco Trapial Formation"
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine; silty sandstone and mudstone
Size classes: macrofossils, mesofossils, microfossils
Preservation: adpression, soft parts
Collected by A. Benitez, P. Puerta, R. Vacca, O. Giménez in 1980–1995
Collection methods: quarrying, surface (in situ), mechanical,
Primary reference: T. H. Rich, O. Giménez, R. Cúneo, P. F. Puerta, R. Vacca and P. A. Vickers-Rich. 1997. Primer registro de un camarasáurido primitivo en el Gondwana patagónico [First record of a primitive camarasaurid in Patagonian Gondwana]. Ameghiniana 34(4):540 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 51938: authorized by Matthew Carrano, entered by Matthew Carrano on 06.07.2005
Creative Commons license: CC0 (CC0)
Taxonomic list
Polypodiopsida | |
Gleichenites sp. Göppert 1836 | |
Scleropteris | |
Sphenopteridae | |
Sphenopteris sp. Sternberg 1825 | |
Equisetopsida | |
Brachyphyllum sp. Brongniart 1828 | |
Branchiopoda | |
Cyzicus sp. Audouin 1837 clam shrimp | |
Reptilia | |
Tehuelchesaurus benitezii n. gen. n. sp.
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