Six species of sponges collected from the Antarctic Sea off Queen Maud Land (69°54'S and 12°49' E) during the Third Indian Antarctic Research Expedition (December, 1983 to March, 1984) are described with suitable illustrations. Of the six species, three are referable to the Class Demospongiae
Soli as and the others to the Class Hexactinellida Schmidt. One species of the Class Demospongiae,
Isodictya echinata is described here as new to science