Franconiasaurus fossil map
Where fossils of Franconiasaurus have been found, shown on the Earth as it looked about 175 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 175 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 | 180.4–174.7 million years ago (Toarcian) |
| Periods | Jurassic |
| Named by | Sachs et al. 2024 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Germany |
| Rock formations | Jurensismergel |
About Franconiasaurus
Franconiasaurus (meaning "Franconia reptile") is an extinct genus of basal plesiosauroid plesiosaurs from the Early Jurassic of Germany. The genus contains a single species, F. brevispinus, known from two well-preserved three-dimensional skeletons.
Text in “About” is quoted from the Wikipedia article Franconiasaurus (revision 1352617759), 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: Q124407976.