Barro Alto, Tiaraj├║ District (Permian to of Brazil)

Where: Rio Grande do Sul, Brazil (30.3° S, 54.4° W: paleocoordinates 46.6° S, 29.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Morro Pelado Member (Rio do Rasto Formation), Roadian to Roadian (272.3 - 259.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; conglomerate

Size classes: macrofossils, mesofossils

Collection methods: quarrying, sieve,

• Vertebrate Paleontology Collection (PV) of the Departamento de Paleontologia e Estratigrafia, Instituto de Geoci├¬ncias, Universidade Federal do Rio Grande do Sul (UFRGS)

Primary reference: J. C. Cisneros, F. Abdala, B. S. Rubidge, P. C. Dentzien-Dias, and A. Oliveira Bueno. 2011. Dental occlusion in a 260-million-year-old therapsid with saber canines from the Permian of Brazil. Science 331:1603-1605 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106558: authorized by John Alroy, entered by John Alroy on 25.03.2011, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

 Temnospondyli -
Temnospondyli indet. von Zittel 1887 tetrapod
 Eosuchia -
Archosauromorpha indet. Huene 1946 archosauromorph
UFRGS-PV-0546-P, distal portion of left humerus
 Therapsida -
Tiarajudens eccentricus n. gen. n. sp.
Tiarajudens eccentricus n. gen. n. sp. Cisneros et al. 2011 therapsid