The Pliocene was an epoch in Earth's history. During the Pliocene climates became cooler and drier, and seasonal, similar to modern climates. It was home to predators such as the bird-like Titanis and the feline Thylacosmilus. This epoch marked the dawn of man, as the Australopithecus, primitive Hominids, evolved. Elephants also first appeared in this period.
When genesis took control of the world it caused certain enviroments to change into the type of enviroments found in the pliocene.The carribean island took up the enviroments of the pilocene.