Maretiidae

Maretiidae is a family of echinoderms belonging to the order Spatangoida.

Genera
Genera:
 * Amoraster McNamara & Ah Yee, 1989
 * Granobrissoides Lambert, 1920
 * Gymnopatagus Döderlein, 1901
 * Hemimaretia Mortensen, 1950
 * Homolampas A.Agassiz, 1874
 * Maretia Gray, 1855
 * Mariania Airaghi, 1901
 * Mazettia Lambert & Thiéry, 1915
 * Murraypneustes Holmes, Yee & Krause, 2005
 * Nacospatangus A.Agassiz, 1873
 * Pycnolampas A.Agassiz & H.L.Clark, 1907
 * Spatagobrissus H.L.Clark, 1923
 * Tripatagus Zachos, 2012