Because you are a brand new member, you probably don't realize that it is not good Forum etiquette to tack your question onto someone else's thread. For this reason, I've split off your question and made it stand alone. You will receive more answers to your question this way.
Because of the shape of the turtle, I'm going to say that it is a gulf coast box turtle - Terrapene carolina major. It might also be a three-toed box turtle - Terrapene carolina triunguis, but I really think its a gulf coast.