Ogmodirus fossil map
Where fossils of Ogmodirus have been found, shown on the Earth as it looked about 85 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 85 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 | 93.9–89.8 million years ago (Turonian) |
| Periods | Cretaceous |
| Family | Elasmosauridae |
| Named by | Williston and Moodie 1913 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | United States |
| Rock formations | Greenhorn Limestone |
About Ogmodirus
Ogmodirus is an extinct genus of plesiosaur found in the Cenomanian-Turonian (Late Cretaceous) Greenhorn Limestone of Kansas. The type species, Ogmodirus martini, was named by Samuel Wendell Williston and Roy Lee Moodie in 1913.
Text in “About” is quoted from the Wikipedia article Ogmodirus (revision 1323350895), 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: Q7080135.
