Guegoolithus fossil map
Where fossils of Guegoolithus have been found, shown on the Earth as it looked about 130 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 130 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 | Iguanodonts & duck-bills |
|---|---|
| Lived | 139.1–121.4 million years ago (Berriasian to Barremian) |
| Periods | Cretaceous |
| Family | Spheroolithidae |
| Named by | Moreno-Azanza et al. 2014 |
| Fossil records | 3 occurrences at 3 locations (PBDB) |
| Found in | Spain |
| Rock formations | El Castellar, Blesa, El Horcajo Unit |
About Guegoolithus
Guegoolithus is an oogenus of fossil egg from the early Cretaceous of Spain. It is classified in the oofamily Spheroolithidae, and was probably laid by an ornithopod dinosaur.
Text in “About” is quoted from the Wikipedia article Guegoolithus (revision 1300794575), 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: Q22286403.
