Sea urchin external structure
Sea urchin external structure

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.

South Florida marine habitats
South Florida marine habitats

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
Snake stars

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
Sea urchin external structure

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.

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