1) Early Cretaceous ichthyosaur
Found on
https://www.crosswordclues.com/clue/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. ==Discovery== Sisteronia was named by Valentin Fischer, Nathalie Bardet, Myette Guiomar and Pascal Godefroit in 2014 and the type speci.....
Found on
http://en.wikipedia.org/wiki/Sisteronia
No exact match found.
