Florida fossils include many types of fossils, both sea and terrestrial. They include:

Megalodon, Mackerel, Mako, and other shark teeth!
Whale vertebrae and teeth!
Giant Ground Sloth teeth and bones!
Mastodon and Mammoth teeth, bones, and tusks!
Saber Tooth Cat teeth and bones!
Alligator, Horse, Rhinoceros, Dire wolf, Deer Dugong, and Camel teeth and bones!
Petrified Wood!
Coprolites of all kinds (fossilized poop)!
Shells, Sand dollars and Echinoids!
Fossil Agatized Coral (the Florida State stone)!