at casual observation it looks like a very old red-earded slider. It's shell seems a bit dark and rough due to it's possible age. But what the hell do I know, I'm just guessing.
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Critters kept; 2 dogs, 3 cats, map turtle, spiny softshell turtle (baby), iguana, savannah monitor, red-tailed boa, apricot milksnake, 50/50 cali kingsnake, 2 adult emperor scorpions w/ 14 babies, mud skipper, albino dwarf hamster, salt tank with eel/puffers, fresh tank with oscars, cichlids, and a clown knife (among others), a fiance` and a baby on the way