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Wendy
Kenneth2761
If the shell is divided into 8 parts, then it is a chiton.
Joseph8842
No, it's not a chiton; it doesn't look like the shell is made of parts. Look at Scutus unguis.
Jeffrey496
Yes, that's him. Thank you. Just a different type, definitely Scutus, but not unguis. No harm, passive, nocturnal.