Traits Taxon list
Amoraster paucituberculata McNamara & Ah Yee, 1989 †
Amoraster tuberculata McNamara & Ah Yee, 1989 †
Granobrissoides dyscritus (H.L. Clark, 1938)
Granobrissoides hirsutus (Mortensen, 1950)
Gymnopatagus magnus A. Agassiz & H.L. Clark, 1907
Gymnopatagus parvipetalus Baker & Rowe, 1990
Gymnopatagus valdiviae Döderlein, 1901
Hemimaretia elevata (Döderlein, 1906)
Homolampas fragilis (A. Agassiz, 1869)
Homolampas lovenioides Mortensen, 1948
Maretia carinata Bolau, 1873
Maretia carolinensis Kier, 1997 †
Maretia cordata Mortensen, 1948
Maretia estenozi Sánchez Roig, 1926 †
Maretia planulata (Lamarck, 1816)
Maretia planulata abbassi Ali, 1985 †
Maretia ranjitpurensis Jain, 2002 †
Mariania comaschicariae Stara, Borghi & Kroh, 2016 †
Mariania deydieri (Cotteau, 1897) †
Mariania euglypha (Laube, 1868) † accepted as Spatangus euglyphus Laube, 1868 †
Mariania euglypha brevistella Venzo, 1935 † accepted as Spatangus euglyphus brevistellatus (Venzo, 1935) †
Mariania euglypha var. brevistella Venzo, 1935 † accepted as Mariania euglypha brevistella Venzo, 1935 † accepted as Spatangus euglyphus brevistellatus (Venzo, 1935) †
Mariania marmorae (Desor in Agassiz & Desor, 1847) †
Mariania stefaninii Stara, Borghi & Kroh, 2016 †
Mazettia pareti (Manzoni, 1879) †
Murraypneustes biannulatus Holmes, Ah Yee & Krause, 2005 †
Nacospatangus altus (A. Agassiz, 1864)
Nacospatangus depressus H.L. Clark, 1917
Nacospatangus gracilis A. Agassiz, 1873
Nacospatangus interruptus (Studer, 1880)
Nacospatangus laevis (H.L. Clark, 1917)
Nacospatangus oblongus (Mortensen, 1950)
Nacospatangus tylotus (H.L. Clark, 1917)
Pycnolampas oviformis A. Agassiz & H.L. Clark, 1907
Spatagobrissus dermodyorum Holmes, Ah Yee & Krause, 2005 †
Spatagobrissus incus Baker & Rowe, 1990
Spatagobrissus mirabilis H.L. Clark, 1923
Spatangobrissus dermodyorum Holmes, Ah Yee & Krause, 2005 † accepted as Spatagobrissus dermodyorum Holmes, Ah Yee & Krause, 2005 †
Tripatagus pittsi Zachos, 2012 †