Original: The seven living species of sea turtles are : flatback , green sea turtle , Hawksbill , Kemp 's Ridley , Leatherback , Loggerhead and Olive Ridley .
Simplified: There are seven types of sea turtles : Kemp 's Ridley , Flatback , Green , Olive Ridley , Loggerhead , Hawksbill and the leatherback .