Also known as Unaysaurus type site
Where: Rio Grande do Sul, Brazil (29.6° S, 53.9° W: paleocoordinates 37.2° S, 16.1° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Ictidosauria other zone, Caturrita Formation (Rosário do Sul Group), Norian (228.0 - 208.5 Ma)
• upper layers of the Santa Maria 2 Sequence of the Santa Maria Supersequence, corresponding lithostratigraphically to the Caturrita Formation. Ictidosauria or Mammaliamorpha Assemblage Zone (= Jachaleria Interval)
•
•Caturrita was originally considered Carnian-Norian in age; however, recent recalibration of the Triassic timescale suggests a Norian age (e.g. Langer et al. 2010; Brusatte et al. 2010. Earth-Science Reviews 101:68-100)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; red, sandy conglomerate and brown, red, silty shale
Size class: macrofossils
Collected by Azevedo in 1998
Collection methods: quarrying, surface (float), surface (in situ), mechanical,
Primary reference: A. W. A. Kellner and D. d. A. Campos. 2000. Brief review of dinosaur studies and perspectives in Brazil. Anais da Academia Brasileira de Ciências 72(4):509-538 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 45513: authorized by Matthew Carrano, entered by Matthew Carrano on 27.10.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Unaysaurus tolentinoi n. gen. n. sp.
|