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Ascilla is a tubular branched sponge currently known as Leucoselenia. Multiple sponge stalks are anchored by one common root to the ocean floor. The stalks take up water through microscopic holes on their surface and expel it through a hole on the end of the stalk, like a mass of fire hoses. Ernst Haeckel described it as “a racemose cane, whose slender stalks have the shape of a graceful urn.”
Earring hooks, jump rings and chains are not provided by Shapeways. You will need to purchase and attach hooks yourself. The weight of an individual earring is approximately 4.8g.