Looks like a plummet ?. They were made and used by indians hundreds / thousands of years ago ?for fishing . The "RED PAINT" people of New England date back 6000 years . I have a book on them and it has pictures of plummets just like yours . Nice find !!
this appears to be a bivalve mollusk in very good shape! heres a few from here.. they are very abbundant in this part of Texas..
the little thing in the middle is a sea urchin... hope this helps H.H. searcher
bring on the what's it's!!! there is alot of gray matter power on this forum to spread around!! and more being added almost daily...
hooooyyaaaaa!!!(ouch hurt myself)
searcher