🦕 Prehistoric World Map

Sisteronia fossil map

Where fossils of Sisteronia 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 →

Sisteronia
Image: Valentin Fischer, Nathalie Bardet, Myette Guiomar, Pascal Godefroit, CC BY 2.5, via Wikimedia Commons
GroupIchthyosaurs
Lived113.2–93.9 million years ago (Albian to Cenomanian)
PeriodsCretaceous
FamilyOphthalmosauridae
Named byFischer et al. 2014
Fossil records6 occurrences at 6 locations (PBDB)
Found inUnited Kingdom, France, Russia
Rock formationsMarnes bleues, txn:170908, West Melbury Marly Chalk, Gault

About Sisteronia

Sisteronia is an extinct genus of platypterygiine ophthalmosaurid ichthyosaur known from the 'middle' Cretaceous of southeastern England and southeastern France. It contains a single species, Sisteronia seeleyi.

Text in “About” is quoted from the Wikipedia article Sisteronia (revision 1314820795), 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: Q15636066.

More ichthyosaurs