| Fort Preston Sand | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Location | |
| Region |  Florida |
| Country |  United States |
The Fort Preston Sand is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
| Fort Preston Sand | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Location | |
| Region | Florida |
| Country | United States |
The Fort Preston Sand is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
Megalonychidae is an extinct family of sloths including the extinct Megalonyx. Megalonychids first appeared in the early Oligocene, about 35 million years (Ma) ago, in southern Argentina (Patagonia). There is actually one possible find dating to the Eocene, about 40 Ma ago, on Seymour Island in Antarctica. They first reached North America by island-hopping across the Central American Seaway, about 9 million years ago, prior to formation of the Isthmus of Panama about 2.7 million years ago. Some megalonychid lineages increased in size as time passed. The first species of these were small and may have been partly tree-dwelling, whereas the Pliocene species were already approximately half the size of the huge Late Pleistocene Megalonyx jeffersonii from the last ice age.
The Okeechobee Group is a geologic group in Florida. The group preserves fossils dating back to the Neogene period. This group of formations in the Everglades were deposited when high tropical water started to return in the Late Zanclean Period.
The Ocala Group is a geologic group in Florida. It preserves fossils dating back to the Paleogene period.
The Williston Formation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period.
The Parachucla Formation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period.
The Inglis Formation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period.
The Crystal River Formation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period.
The Bumpnose Formation is a geologic formation in Florida. It preserves fossils dating back to the Paleogene period.
The Wicomico Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
The Bermont Formation is a geologic formation in Florida. It preserves mostly invertebrate fossils that date back to the Middle Pleistocene. Most of the fossils preserved are extant mollusk shells. It is mined commercially along with similar formations, to produce shell fill for construction.
The Fort Thompson Formation is a geologic formation in Florida. It preserves fossils dating back to the late Pleistocene. It was influenced by sea level changes.
The Choctawhatchee Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
The Jackson Bluff Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
The Buckingham Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
![Caloosahatchee Formation Geologic formation in Florida. It preserves fossils dating back to the [[Pleistocene]].](https://upload.wikimedia.org/wikipedia/commons/thumb/b/bd/Hystrivasum_horridum_01.JPG/320px-Hystrivasum_horridum_01.JPG)
The Caloosahatchee Formation is a geologic formation in Florida. It preserves fossils dating back to the Pleistocene.
The Parchucla Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
The Bayshore Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
The Murdock Station Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
The Red Bay Formation is a geologic formation in Florida. It preserves fossils dating back to the Neogene period.
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