Dragmacidon egregium (Ridley, 1881)

Ridley, S. O. 1881a. XI. Spongida. Horny and Siliceous Sponges of Magellan Straits, S. W. Chili, and Atlantic off S. W. Brazil. Pp. 107-137,140-141, pls X-XI. In: Gunther, A. (Ed. ), Account of the Zoological Collections made during the Survey of H