Smenospongia echina is a species of sea sponge in the class Demospongiae. The scientific name of the species was first validly published in 1934 by Max Walker de Laubenfels, as Polyfibrospongia echina.Laubenfels, M.W. de. (1934). New sponges from the Puerto Rican deep. Smithsonian Miscellaneous Collections. 91(17): 1-28. page(s): 25-26
See also Smenospongia aurea 5-Bromo-DMT Hallucinogenic fish
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