Also known as Paraná Basin

Where: São Paulo, Brazil (23.3° S, 47.9° W: paleocoordinates 44.8° S, 25.2° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Assistencia Member (Irati Formation), Artinskian (290.1 - 279.3 Ma)

• "Irati Formation (?); lower Permian." (Shikama & Ozaki, 1966). More recent publications confirm this stratigraphic assignment (e.g., Sedor & Ferigolo, 2001, Acta Biol. Par., Curitiba 30). The lithology described by Shikama & Ozaki (1966) suggests that the fossil comes from the Assistência Member of the Irati Fm. (see Santos et al., 2009, J. S. Am. Earth Sci., Article in Press, doi:10.1016/j.jsames.2008.12.002).

•In a quite recent publication it is stated that the Irati Formation is Artinskian in age, based on absolute ages obtained from zircons from a bentonite layer (Santos et al., 2006, Gondwana Res. 9).

• bed-level stratigraphic resolution

Environment/lithology: gray, white, yellow limestone

Size class: macrofossils

Collected by I. Hanayama in 1964

• Fossil was collected by the owner of the farm during land clearing.

Primary reference: T. Shikama and H. Ozaki. 1966. On a Reptilian Skeleton from the Palaeozoic Formation of San Paulo, Brazil. Transactions and Proceedings of the Palaeontological Society of Japan, New Series 64:351-358 [J. Mueller/T. Liebrecht]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90214: authorized by Johannes Mueller, entered by Torsten Liebrecht on 14.07.2009

Creative Commons license: CC BY (attribution)