Acaleph Radiate Small 320×225 Medium 640×450 Large 1024×719 Download Tiff Original 2400×1686 | (950.9 KB) Description The Radiate, Acaleph; a Medusa from the genus Tiaropsis. Keywords Acaleph, animals, geology, Radiate, sea creature, sea medusa Galleries Corals and Sea Anemone Source: Dana, James D. New Text-Book of Geology (New York: Ivison, Blakeman & Company, 1883) 183