Verongula rigida is a sponge species in the class Demospongiae. The scientific name of the species was first validly published in 1794 by Eugenius Johann Christoph Esper, as Spongia rigida.[1][2]
{{cite web}}: CS1 maint: url-status (link) Verongula rigida is a sponge species in the class Demospongiae. The scientific name of the species was first validly published in 1794 by Eugenius Johann Christoph Esper, as Spongia rigida.
