Where: Rio Grande do Sul, Brazil (29.7° S, 53.8° W: paleocoordinates 39.8° S, 15.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Hyperodapedon other zone, Alemoa Member (Santa Maria Formation), Carnian to Carnian (237.0 - 208.5 Ma)

• Santa Maria 2 (upper half of Santa Maria Formation), from the so-called "Rhynchosaur Cenozone" or "Hyperodapedon Assemblage Zone". The Hyperodapedon Assemblage Zone has generally considered been late Carnian in age, but could extend into the early Norian.

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; massive, red mudstone

Size class: macrofossils

Primary reference: A. B. Heckert and S. G. Lucas. 2002. South American occurrences of the Adamanian (Late Triassic: latest Carnian) index taxon Stagonolepis (Archosauria: Aetosauria) and their biochronological significance. Journal of Paleontology 76(5):852-863 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92320: authorized by Richard Butler, entered by Richard Butler on 06.11.2009

Creative Commons license: CC BY (attribution)