
Sea urchin external structure (detail) in Hendler et al. (1995) Sea stars, sea urchins, and allies: Echinoderms of Florida and the Caribbean. Smithsonian Institution Press, Washington DC.

Diagrams of South Florida marine habitats. Top: coral reef. Middle: patch reef. Bottom: coastal ecosystem pathways. From Voss, GL (1988) Coral Reefs of Florida. Pineapple Press, Sarasota, FL.

Snake stars, Asteroporpa annulata (left) and unidentified Euryalidae. From: Messing CG (1987) To the Deep Reef and Beyond. Published privately for the Deep Ocean Society and Research Submersibles, Ltd., 30 pp.

Sea urchin external structure (detail) in Hendler et al. (1995) Sea stars, sea urchins, and allies: Echinoderms of Florida and the Caribbean. Smithsonian Institution Press, Washington DC.