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Kneer, D.; Monniot, F.; Stach, T.; Christianen, M. J. A. 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 2013, 3616, 485–494.