Amphiscolops bermudensis Hyman, 1939 (original description)
Amphiscolops sargassi Hyman, 1939 accepted as
Heterochaerus sargassi (Hyman, 1939) (original description)
Cryptoceros crozeri (Hyman, 1939) accepted as
Maritigrella crozieri (Hyman, 1939) accepted as
Prostheceraeus crozieri (Hyman, 1939) (original description)
Gnesioceros sargassicola lata Hyman, 1939 accepted as
Gnesioceros sargassicola var. lata Hyman, 1939 (original description)
Gnesioceros sargassicola var. lata Hyman, 1939 (original description)
Planaria notulata Bosc, 1802 accepted as
Acerotisa notulata (Bosc, 1802) (source of synonymy)
Pseudoceros crozieri Hyman, 1939 accepted as
Maritigrella crozieri (Hyman, 1939) accepted as
Prostheceraeus crozieri (Hyman, 1939) (original description)
Thysanozoon flavotuberculatum Hyman, 1939 (original description)