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Promastodonsaurus fossil map

Where fossils of Promastodonsaurus have been found, shown on the Earth as it looked about 215 million years ago and on today’s map.

Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 215 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →

GroupEarly tetrapods & amphibians
Lived237–205.7 million years ago (Carnian to Norian)
PeriodsTriassic
Named byBonaparte 1963
Fossil records1 occurrences at 1 locations (PBDB)
Found inArgentina
Rock formationsIschigualasto

About Promastodonsaurus

Promastodonsaurus ("before Mastodonsaurus") is an extinct genus of capitosauroid temnospondyls within the family Mastodonsauridae. Fossils of the genus were found in the Ischigualasto Formation of the Ischigualasto-Villa Unión Basin in northwestern Argentina.

Text in “About” is quoted from the Wikipedia article Promastodonsaurus (revision 1354843370), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q7249681.

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