DescriptionBath sponge Spongia officinalis Greece.jpg Français : Spongia officinalis Date 27 April 2012 Source File:Demospongiae morphology and spicule...
Sponges-(Porifera)-pone.0035105.g002.jpg English: A. Bath sponge, Spongia officinalis, Greece (photo courtesy E. Voultsiadou); B. Bathyal mud sponge Thenea...
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