Echinocyamidae Lambert & Thiéry, 1914

Classification

• Clypeasteroida A. Agassiz, 1872

  • Echinocyamidae Lambert & Thiéry, 1914

    • Echinocyamus Van Phelsum, 1774

    • Leniechinus Kier, 1968a

    • Mortonia Gray, 1851a