Desert Fossil Wall

The Desert Fossil Wall is a type of wall that cannot be found by any normal means at the moment. Since the name and sprite imply that it is the wall that goes with the Desert Fossil, it's likely that this item was supposed to be either found in the Underground Desert, or made craftable from Desert Fossil blocks.

The Desert Fossil Wall is a type of wall that can be crafted from at a  with Ecto Mist.

History
Mur de Fossile du Désert 沙漠化石墙