Polyp: Colonies erect, up to 20 cm high. Hydrocladia alternate, in the same plane. Hydrotheca alternate, almost entirely adnate; adcauline wall convex, with four very shallow cusps and rounded embayments; hydrothecal floor inconspicuous, with desmocytes near the margin; operculum with four valves. Hydranth with an abcauline diverticulum. Reproduction: Gonothecae large, tubiform, distally truncated, with longitudinal striae. Ecology and Distribution: Circumglobal species. Known in Bocas del Toro from The Wall, at 20-22 m depth. Similar taxa: Sertularia, Sertularella.