"They are sections of crinoid stems. Crinoids are an ancient ocean organism." Someone on the original post stated.
Welcome to Unexplained Mysteries! Please sign in or create an account to start posting and to access a host of extra features.
400-million-year-old machine found
15 replies to this topic
0 user(s) are reading this topic
0 members, 0 guests, 0 anonymous users