Bajada de la Obligacion, Cerro Bayo (Triassic to of Argentina)

Where: Mendoza, Argentina (32.9° S, 69.0° W: paleocoordinates 44.3° S, 32.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cacheuta Formation, Carnian to Carnian (237.0 - 208.5 Ma)

• Originally considered as Middle-Late Triassic in age, subsequent U-Pb dating of the underlying Potrerillos Formation by Spalletti et al. (2008, Geologica Acta 6:267-283) suggests a Carnian-Norian age for the Cacheuta Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; siliciclastic sediments

Size class: macrofossils

Primary reference: J. B. Desojo, A. B. Arcucci, and C. A. Marsicano. 2002. Reassessment of Cuyosuchus huenei, a Middle-Late Triassic archosauriform from the Cuyo Basin, west-central Argentina. New Mexico Museum of Natural History and Science, Bulletin 21:143-148 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 182589: authorized by Richard Butler, entered by Richard Butler on 09.11.2016, edited by Emma Dunne

Creative Commons license: CC BY (attribution)

Taxonomic list

Amphibia
 Temnospondyli -
Otuminisaurus limensis n. gen. n. sp.1
Otuminisaurus limensis n. gen. n. sp.1 Rusconi 1948 tetrapod
MCNA 2500, partial skull
 Temnospondyli - Chigutisauridae
Pelorocephalus tenax2 Rusconi 1949 tetrapod
MCNA 2752 (Holotype: skull, mandibles, and interclavicle)
Reptilia
 Diapsida -
Cuyosuchus huenei n. gen. n. sp.
Cuyosuchus huenei n. gen. n. sp. Reig 1961 archosauromorph
MCNAM 2669, incomplete postcranial skeleton