Reply To: What is this brach on top of? Homepage › Forums › What Is It? › What is this brach on top of? › Reply To: What is this brach on top of? February 7, 2017 at 10:09 am #18662 Eleanor GardnerModerator @hunter-thurmond – It looks vaguely like a poorly preserved internal mold of a gastropod. Is this the same material you posted as Fossil #018542? If so, you marked that as Mahantango Frm., so maybe @jayson-kowinsky could help once again.