One and a half to two
million years ago, the Ruskin area was inhabited by a creature now known
as the Smaller Giant Beaver. This beaver was ten times the size of our
This skull was found a number of years ago in the
Leisey Shell Pits which is now known as Paleo Preserve. Mr. C. E.
Leisey who owned the shell pit, devoted much time and energy helping
paleontologists recover fossils there When this beaver skull was found it
was determined that it was an animal not yet named. To honor Leisey, the
beaver was given the scientific name Castorides Leisi.
This skull and many other fossils and Ruskin's
ancient history can be viewed at the Paleontological Educational Preserve
(Paleo Preserve) at Camp Bayou Nature Preserve in Ruskin, Florida. The web
site for the Paleo Preserve is
http://www.paleopreserve.org/ Camp Bayou is: