Megalodytes fossil map
Where fossils of Megalodytes have been found, shown on the Earth as it looked about 15 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 15 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 | Prehistoric birds |
|---|---|
| Lived | 15.98–7.246 million years ago (Langhian to Tortonian) |
| Periods | Neogene |
| Family | Anatidae |
| Fossil records | 2 occurrences at 2 locations (PBDB) |
| Found in | Japan, United States |
| Rock formations | Haraichi, Temblor |
About Megalodytes
Megalodytes is an extinct genus of waterfowl. The only known species, M. morejohni, is known from fragmentary wingbones found in Middle Miocene-aged marine strata of Kern County, California. Other specimens from similarly aged material from Japan originally referred to Megalodytes is now referred to the genus Annakacygna.
Text in “About” is quoted from the Wikipedia article Megalodytes (revision 1359884284), 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: Q49136335.
