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turtlecoin.lol is the official website.

The only exchange I know of that it's on is Tradeoger but it's fairly new. I've used Tradeoger a couple of times with no issue.

According to Coin market cap, it's at $0.000035 USD right now.

It's only been around since Dec. of last year. I think this is a good one to buy / mine and hold.