Futabasaurus fossil map
Where fossils of Futabasaurus have been found, shown on the Earth as it looked about 85 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 85 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 | Plesiosaurs & kin |
|---|---|
| Lived | 85.7–83.6 million years ago (Santonian) |
| Periods | Cretaceous |
| Family | Elasmosauridae |
| Named by | Sato et al. 2006 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Japan |
| Rock formations | Tamayama |
About Futabasaurus
Futabasaurus is a genus of plesiosaur from the Late Cretaceous of Fukushima, Japan. It was described and named in 2006, and was assigned to the family Elasmosauridae. The genus contains one species, F. suzukii.
Text in “About” is quoted from the Wikipedia article Futabasaurus (revision 1374886569), 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: Q141642.
