Notomyotida
The Notomyotida are an order of sea stars containing at least 75 species in eight genera of the monotypic family, Benthopectinidae.
These asteroids are deep-sea dwelling and have flexible arms. The inner dorso-lateral surface of the arms contain characteristic longitudinal muscle bands.Taxonomy
- Family Benthopectinidae Verrill, 1894
- * genus Acontiaster Döderlein, 1921
- * genus Benthopecten Verrill, 1884
- * genus Cheiraster Studer, 1883
- * genus Gaussaster Ludwig, 1910
- * genus Myonotus Fisher, 1911
- * genus Nearchaster Fisher, 1911
- * genus Pectinaster Perrier, 1885
- * genus Pontaster Sladen, 1885