Burrinjuckia

Burrinjuckia is an ichnogenus of bioclaustrations (a type of trace fossil). "Burrinjuckia " includes outgrowths of the brachiopod's secondary shell
with a hollow interior in the mantle cavity of a brachiopod. "Burrinjuckia " was probably a parasite. They have a stratigraphic range from the Late Ordovician to the Devonian.
The earliest "Burrinjuckia " species "B". "clitambonitofilia" Vinn, Wilson and Toom, 2014 occurs in brachiopod "Clitambonites squamatus" from the Late Ordovician oilshale of Estonia.