Sierra Roca, Río Neuquen (Cretaceous of Argentina)

Where: Neuquén, Argentina (39.0° S, 68.2° W: paleocoordinates 43.5° S, 49.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bajo de la Carpa Formation (Neuquén Group), Santonian (86.3 - 83.6 Ma)

• formation assignment questionable; Río Colorado Subgroup

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; red sandstone

• "red sandstones"

Size class: macrofossils

Collected by F. Romero, S. Roth in 1887, 1891, 1895-1896, 1910-1920; reposited in the MLP

Primary reference: R. Lydekker. 1893. Contributions to a knowledge of the fossil vertebrates of Argentina. I. — The dinosaurs of Patagonia. Anales del Museo de La Plata. Paleontología Argentina 2:1-16 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51569: authorized by Matthew Carrano, entered by Matthew Carrano on 08.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
"Titanosaurus" nanus n. sp. Lydekker 1893 sauropod
MLP Ly 18/19, incomplete cervical and dorsal vertebrae
 Saurischia - Saltasauridae
Microcoelus patagonicus n. gen. n. sp., "Titanosaurus australis n. sp." = Neuquensaurus australis
Microcoelus patagonicus n. gen. n. sp. Lydekker 1893 saltasaurid
MLP.Ly.23, anterior dorsal vertebra (holotype)
"Titanosaurus australis n. sp." = Neuquensaurus australis Lydekker 1893 saltasaurid
MLP.Ly.1/2/3/4/5/6
 Saurischia -