6.4 km from BR 158: Induan - Olenekian, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Plagiosauridae
? Plagiosauridae indet. Abel 1919
1 specimen
MCN PV 1999a, dermal skull fragment
    = Plagiosterninae indet. Shishkin 1986
Dias-da-Silva and Milner 2009
see common names

Geography
Country:Brazil State/province:Rio Grande do Sul
Coordinates: 29.7° South, 53.9° West (view map)
Paleocoordinates:49.3° South, 23.1° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Triassic Epoch:Early/Lower Triassic
10 m.y. bin:Triassic 1
Key time interval:Induan - Olenekian
Age range of interval:251.90200 - 247.20000 m.y. ago
Stratigraphy
Geological group:Rosário do Sul Formation:Sanga do Cabral
Stratigraphic resolution:bed
Stratigraphy comments: The Sanga do Cabral Fm. is correlated with the "impoverished zone" (Procolophon subzone) of the Lystrosaurus Assemblage Zone of the Main Karoo Basin of South Africa by some authors on the basis of the abundant records of Procolophon, i.e., it is Upper Induan to Lower Olenekian in age (see Dias-da-Silva et al., 2006, Can. J. Earth Sci. and references therein). However, Langer et al. (2007; New Mexico Mus. Nat. Hist. Sci. Bull. 41) pointed out that the prevalence of Procolophon in the Brazilian sequence might represent a taphonomic bias, and that only an undifferentiated Lower Triassic age is currently possible.
Lithology and environment
Primary lithology: sandy "siliciclastic"
Includes fossils?Y
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: MCN, Museu de Cięncias Naturais da Fundação Zoobotânicado Estado do Rio Grande do Sul
Metadata
Database number:99230
Authorizer:R. Butler Enterer:R. Butler
Modifier:M. Carrano Research group:vertebrate
Created:2010-11-03 08:13:57 Last modified:2021-03-26 13:26:46
Access level:the public Released:2010-11-03 08:13:57
Creative Commons license:CC BY
Reference information

Primary reference:

34121. S. Dias-Da-Silva and A. L. Ramos Ilha. 2009. On the presence of a pustulated temnospondyl in the Lower Triassic of southern Brazil. Acta Palaeontologica Polonica 54(4):609-614 [R. Butler/R. Butler]

Secondary references:

34124 S. Dias-da-Silva and A. R. Milner. 2009. The pustulated temnospondyl revisited — a plagiosternine plagiosaurid from the Lower Triassic of Brazil. Acta Palaeontologica Polonica 55(3):561-563 [R. Butler/R. Butler]