Kneer, D., Monniot, F., Stach, T. & Christianen, M.J.A. (2013) Ascidia subterranea sp. nov. (Phlebobranchia: Ascidiidae), a new tunicate belonging to the A. sydneiensis Stimpson, 1855 group, found as burrow associate of Axiopsis serratifrons A. Milne-Edwards, 1873 (Decapoda: Axiidae) on Derawan Island, Indonesia. Zootaxa, 3616 (5), 485–494.