Palaeoraphe planks can be received when you turn a Palaeoraphe Log into them in your inventory or a crafting table.
They serve all the normal functions of other wood planks, as well as being used to make the recipes above.
Amber Ore ( Amber) ■
Ancient Ferns ■
Failuresaurus Trail ■
Ancient Figurines ■
Ancient Glass ■
Ancient Stone ( Brick) (Stair) (Slab) ■
Calamites Log ( Leaf) ■