List of orders according to
World Register of Marine Species: • Superorder
Calycina • Order
Phymosomatoida† • Superorder
Echinacea • Order
Arbacioida (Gregory, 1900) • Order
Camarodonta (Jackson, 1912) • Order
Salenioida • Order
Stomopneustoida (Kroh & Smith, 2010) • Family
Glyphopneustidae Smith & Wright, 1993
† • Family
Hemicidaridae Wright, 1857
† • Family
Orthopsidae Duncan, 1889
† • Family
Pseudodiadematidae Pomel, 1883
† Image:Phymosoma.jpg|
Phymosoma granulosum (
Phymosomatoida) Image:Salenocidaris hastigera.png|
Salenocidaris hastigera (
Salenioida) Image:Arbacia lixula (oursin noir).JPG|
Arbacia lixula (
Arbacioida) Image:Paracentrotus lividus Banyuls.jpg|
Paracentrotus lividus (
Camarodonta) Image:S. variolaris.jpg|
Stomopneustes variolaris (
Stomopneustoida) Image:Hemicidaris intermedia.jpg|
Hemicidaris intermedia (
Hemicidaridae) Image:Acrocidaris nobilis.jpg|
Acrocidaris nobilis (
Pseudodiadematidae) == Bibliography ==