This one got me...

Posted Feb 22, 2019, 6:34 PM UTC
464

Posted Feb 22, 2019, 6:34 PM UTC
Looks like part of the mouth of a sheepshead fish.
Ha ha! I came here to cross-post it, too! I literally can't look at this thing!
Came here to post this. shudder
Yep came here to xpost the same thing. Bleuch, nightmare fuel!