Callawayasaurus fossil map
Where fossils of Callawayasaurus have been found, shown on the Earth as it looked about 115 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 115 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 | 121.4–119.57 million years ago (Aptian) |
| Periods | Cretaceous |
| Family | Elasmosauridae |
| Named by | Carpenter 1999 |
| Fossil records | 2 occurrences at 1 locations (PBDB) |
| Found in | Colombia |
| Rock formations | txn:38175 |
About Callawayasaurus
Callawayasaurus is a genus of plesiosaur from the family Elasmosauridae. When the holotype was first described by Samuel Paul Welles in 1962, it was described as Alzadasaurus colombiensis before being moved into its current genus by Kenneth Carpenter in 1999.
Text in “About” is quoted from the Wikipedia article Callawayasaurus (revision 1354839761), 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: Q2634949.
