Lake Iamonia
| Lake Iamonia | |
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| Location | Leon County, Florida |
| Coordinates | 30°37′59″N 84°10′40″W / 30.633120°N 84.177674°WCoordinates: 30°37′59″N 84°10′40″W / 30.633120°N 84.177674°W |
| Type | prairie lake; Oligotrophic to Mesotrophic |
| Catchment area | 101 sq mi (260 km2) |
| Basin countries | United States |
| Max. length | 7 mi (11 km) |
| Max. width | 2 mi (3 km) |
| Surface area | 5,757 acres (2,330 ha) |
| Surface elevation | 95 ft (29 m) |
Lake Iamonia is a large, subtropical prairie lake in northern Leon County, Florida, United States, created during the epoch.
Lake Iamonia's base was established during the through submergence of land during the various glacial retreats (a warming period) and emergence from the sea during glacial stadial advancement (a cooling period). Though the ice sheet was further north, it affected Iamonia's appearance and significant changes began to take shape during the Okefenokee terrace and shoreline period and was complete by the end of the Wicomico terrace and shoreline event thousands of years later.
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Lake Iamonia area is known to have supported a variety of megafauna from as far back as 23.6 Ma. Fossils of the bear-dog Amphicyon and the dog-like Temnocyonines have been uncovered at nearby sites. The Griscom Plantation Site, once located on Luna Plantation, and on the south shore of Iamonia has produced fossils of the ruminant Leptomeryx, the horse relatives Merychippus and Parahippus leonensis, and the ancient camel Oxydactylus. Osbornodon iamonensis (Osborn's dog), a forerunner of today's dog, was named for the lake.
The lake was home to the Woodland culture, more specifically the Weeden Island culture, of early Native Americans from roughly 200 BCE to 750 AD. It was within the Apalachee Province from 1000 AD to the 1520s and later the lake would become home to the Seminoles. Lake Iamonia is prounced "I-monia" and is named after a Seminole town “Hiamonee,” which was located on the banks of the Ochlockonee River.
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