Posto de Gasolina, site A (Triassic of Brazil)

Also known as Decuriasuchus site

Where: Rio Grande do Sul, Brazil (29.6° S, 53.4° W: paleocoordinates 51.7° S, 18.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dinodontosaurus other zone, Alemoa Member (Santa Maria Formation), Ladinian (242.0 - 237.0 Ma)

• Transgressive systems tract of Santa Maria Sequence 1 of the Santa Maria Supersequence (Rosario do Sul Group), corresponding to the "Dinodontosaurus Assemblage Zone" of the lower Santa Maria Formation

• bed-level stratigraphic resolution

Environment/lithology: wet floodplain; lithology not reported

• "subparallel orientation of the vertebral column of most specimens and curvature of the neck and tail suggest current flow in an open environment...the site was located in the distal part of a floodplain, at some distance from the river channel"

Size class: macrofossils

Collection methods: quarrying, mechanical,

• MCN: Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul

Primary reference: M. A. G. Franca, J. Ferigolo, and M. C. Langer. 2011. Associated skeletons of a new middle Triassic “Rauisuchia” from Brazil. Naturwissenschaften 98:389-395 [R. Butler/R. Butler/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107352: authorized by Richard Butler, entered by Richard Butler on 05.04.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Pseudosuchia -
Decuriasuchus quartacolonia n. gen. n. sp. Franca et al. 2011 archosaur
MCN PV10105a (holotype), articulated partial skeleton. MCN PV10105b-i, eight additional partial skeletons