Also known as Cerro Mesa
Where: Río Negro, Argentina (40.7° S, 69.6° W: paleocoordinates 43.3° S, 55.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Coli Toro Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)
• Author debates the possibility of this being "Danian" (= Early Tertiary), and thus a report of a genuine Cenozoic dinosaurs. Currently considered to be Late Cretaceous. Formation is not named in the paper; it may be the Allen Fm. Also spelled "Cali-Toro Formation" and "Colitoro Formation"
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• bed-level stratigraphic resolution
Environment/lithology: terrestrial; micaceous, gray, green, argillaceous sandstone
Size class: macrofossils
Collected by R. M. Casamiquela in 1949; reposited in the MLP
Collection methods: quarrying, mechanical,
• Originally collected 1949, described 1964.
Primary reference: R. M. Casamiquela. 1964. Sobre un dinosaurio hadrosáurido de la Argentina. Ameghiniana 3(9):285-312 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 31079: authorized by Matthew Carrano, entered by Matthew Carrano on 10.04.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
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Hadrosauridae indet.2 Cope 1869 hadrosaurid MLP-62-XII-13-1/2, 1/4, 1/5, 1/6, 1/8, 1/10; MJG.Pa 6/6/07-3, 6, 7, MJG.Pa 7/6/07-1 to 6
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