Radiospongilla sceptroides

Species of sponge

Radiospongilla sceptroides is a species of freshwater sponge in the family Spongillidae. It was described as Spongilla sceptroides by Scottish-born Australian zoologist William A. Haswell in 1883, who discovered it growing on submerged wood in a pond in the vicinity of Brisbane. He described it as "Sponge green, encrusting, smooth, moderately elastic, not crumbling." He noted the spicules were fusiform and pointed. It was found growing next to a yellowish freshwater sponge that he described as Spongilla botryoides. A 1968 review of freshwater sponges failed to locate Haswell's original type specimen, so a new one was selected from the Merrika River near Womboyn in New South Wales.

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