The only thing you need to do is to GENTLY brush your tongue daily, as bacteria can collect in the fissures, causing bad breath. I'm enclosing a link to the couple of lines wikipedia has about it, mainly so you can see the picture there.
Quick Answer. As of 2009, there are 270 species of turtles, and more are being discovered. Turtles have been on the Earth for 230 million years and predate dinosaurs. Turtles have developed multiple habitats and live anywhere except the Arctic and Antarctic. Continue Reading.
Turtles and tortoises then get grouped into Testudines, and again into one of 14 families. All tortoises are grouped into the Testudinidae family while the other turtles like: pond, musk, softshell, snapping, sidenecked, sea, and box turtles are classified into one of the other 13 families.