IRMNG Taxon list
Astrodapsis arnoldi (Pack) †
Astrodapsis cierboensis (Eaton & Grant) †
Astrodapsis clarki (Eaton & Grant) †
Astrodapsis davisi (Eaton & Grant) †
Astrodapsis diabloensis Kew †
Astrodapsis gregersoni (Eaton & Grant) †
Astrodapsis whitneyi Kew †
Astrodaspis arnoldi † (unaccepted )
Echinarachnius asiaticus Michelin, 1859
Echinarachnius atlanticus L. Agassiz, 1841 accepted as Echinarachnius parma (Lamarck, 1816)
Echinarachnius australiae Michelin, 1859 accepted as Echinarachnius parma (Lamarck, 1816)
Echinarachnius brevis Ikeda, 1936 accepted as Scaphechinus tenuis (Yoshiwara, 1898)
Echinarachnius excentricus (Eschscholtz, 1829) accepted as Dendraster excentricus (Eschscholtz, 1829)
Echinarachnius griseus (Mortensen, 1927) accepted as Scaphechinus griseus Mortensen, 1927
Echinarachnius latissimus (Lamarck, 1816) accepted as Clypeaster latissimus (Lamarck, 1816)
Echinarachnius mirabilis (A. Agassiz, 1863) accepted as Scaphechinus mirabilis A. Agassiz, 1863
Echinarachnius pacificus Pfeffer, 1881 accepted as Scaphechinus mirabilis A. Agassiz, 1863
Echinarachnius parma (Lamarck, 1816)
Echinarachnius placenta (Linnaeus, 1758) accepted as Arachnoides placenta (Linnaeus, 1758)
Echinarachnius rumphii L. Agassiz, 1841 accepted as Echinarachnius parma (Lamarck, 1816)
Echinarachnius tenuis Yoshiwara, 1898 accepted as Scaphechinus tenuis (Yoshiwara, 1898)
Echinarachnius undulatus Michelin, 1859 accepted as Echinarachnius parma (Lamarck, 1816)
Phelsumaster parma (Lamarck, 1816) accepted as Echinarachnius parma (Lamarck, 1816)
Phelsumia parma (Lamarck, 1816) accepted as Echinarachnius parma (Lamarck, 1816)
Vasquerosella merriami Anderson