Tiamat fossil map
Where fossils of Tiamat have been found, shown on the Earth as it looked about 100 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 100 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 →
| Group | Sauropods & prosauropods |
|---|---|
| Lived | 113.2–93.9 million years ago (Albian to Cenomanian) |
| Periods | Cretaceous |
| Named by | Pereira et al. 2024 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Brazil |
| Rock formations | Açu |
About Tiamat
Tiamat (after the Mesopotamian mythical goddess) is an extinct genus of titanosaurian sauropod dinosaur from the 'mid'-Cretaceous Açu Formation of Brazil. The genus contains a single species, T. valdecii, known from several caudal vertebrae.
Text in “About” is quoted from the Wikipedia article Tiamat valdecii (revision 1371295652), 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: Q125922855.
