FIGURE 22 in Re-description of type material of Xenia Lamarck, 1816 (Octocorallia: Xeniidae)

FIGURE 22. Scanning electron micrographs of polyp sclerites of Xenia umbellata Lamarck, 1816 (USNM 1202016). a. Ellipsoid platelets, some fractured; b. Fractured sclerite (enlarged) composed of a latticework matrix of calcite rods, dendritic and sinuous, and radially arranged in peripheral region. c. Fractured sclerite. Scale bar at a, c 0.010 mm, at b 0.002 mm.