FIGURE 1. A in Isozoanthus antumbrosus, a new species of zoanthid (Cnidaria: Anthozoa: Zoanthidea) symbiotic with Hydrozoa from the Caribbean, with a key to hydroid and sponge-symbiotic zoanthid species

FIGURE 1. A. Line drawing showing Isozoanthus antumbrosus colonized Dentitheca dendritica. Scale bar is solid for colony and checkered for polyp detail inset. Drawing by J. Putnam H. of Florida State University. B. In situ macrophotograph of Isozoanthus antumbrosus with Dentitheca dendritica zooids visible in background.