Scypha: A genus of marine sponges of the class Calcispongiae (calcareous sponges), characterized by a fingerlike body shape known as the syconoid type of structure. In the syconoid sponges, each “finger,” known as a radial canal, is perforated by many tiny pores through which water passes into the central cavity. The water exits through an oscule, or larger opening, at the tip. Scypha species may grow to about 2 or 3 cm (about 1 inch) in length.
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