V. K.  Meenakshi, ?Ecteinascidia venui sp. nov., a colonial ascidian (Perophoridae) from Tuticorin, southeast coast of India?, Indian Journal of marine Sciences, vol. 29, no. 1, pp. 83-85, 2000.

K. E.  Sanamyan, ?Dimeatidae, a new family of the Ascidiacea, with description of a new species of the genus Dimeatus?, Zoosystematica Rossica, vol. 9, pp. 37-41, 2000.

R. M.  Rocha and Moreno, T. R., ?Ascidians associated with Eudistoma carolinense Van Name. 1945. With description of a new species of Polycarpa?, Ophelia, vol. 52, pp. 9-16, 2000.