Prashadus

Nishikawa, T. (2002). Comments on the taxonomic status of Ikeda taenioides (Ikeda, 1904) with some amendments in the classification of the phylum Echiura. <em>Zoological Science.</em> 19(10): 1175–1180.

Saiz Salinas J.I. (1996). Echiura from South Shetland Islands together with a review of its geographic distribution in the Antarctic Ocean. Polar Biology, 16, 5, 363-370.

Stephen, A. C., Edmonds, S. J. (1972). The Phyla Sipuncula and Echiura. Trustees of the British Museum (Natural History), London.