Also known as General Roca
Where: Río Negro, Argentina (39.1° S, 67.7° W: paleocoordinates 42.1° S, 52.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Anacleto Formation (Neuquén Group), Early/Lower Campanian to Early/Lower Campanian (83.5 - 70.6 Ma)
• formation assignment questionable; Río Colorado Subgroup - some have referred this site to the overlying Allen Fm. Egg from the lower part of the "classic Rocanian locality of General Roca"
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; fine-grained, gray, red sandstone and coarse-grained, concretionary, brown, red, calcareous sandstone
Size classes: macrofossils, mesofossils
Collected by R. Wichmann in 1912–1916; reposited in the MACN
Collection methods: quarrying, surface (float), surface (in situ),
Primary reference: F. v. Huene. 1929. Los sauriquios y ornitisquios del Cretáceo argentino. Anales del Museo de La Plata, serie 2 3:1-196 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 51580: authorized by Matthew Carrano, entered by Matthew Carrano on 08.06.2005, edited by Roger Benson
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
"Chelonii indet." = Testudines1
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Lithostrotia indet.3 Wilson and Upchurch 2003 sauropod MACN 5017, an anterior caudal vertebra, five distal caudal centra, a radius, a distal ulna, a complete metacarpus, a distal tibia, and two metatarsals
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| Gastropoda | |
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