Halgerda is een geslacht van weekdieren uit de klasse van de Gastropoda (slakken).

Soorten 
 Halgerda abyssicola Fahey & Gosliner, 2000
 Halgerda albocristata Gosliner & Fahey, 1998
 Halgerda aurantiomaculata (Allan, 1932)
 Halgerda azteca Fahey & Gosliner, 2000
 Halgerda bacalusia Fahey & Gosliner, 1999
 Halgerda batangas Carlson & Hoff, 2000
 Halgerda brunneomaculata Carlson & Hoff, 1993
 Halgerda brycei Fahey & Gosliner, 2001
 Halgerda carlsoni Rudman, 1978
 Halgerda dalanghita Fahey & Gosliner, 1999
 Halgerda diaphana Fahey & Gosliner, 1999
 Halgerda dichromis Fahey & Gosliner, 1999
 Halgerda elegans Bergh, 1905
 Halgerda fibra Fahey & Gosliner, 2000
 Halgerda formosa Bergh, 1880
 Halgerda graphica Basedow & Hedley, 1905
 Halgerda guahan Carlson & Hoff, 1993
 Halgerda gunnessi Fahey & Gosliner, 2001
 Halgerda johnsonorum Carlson & Hoff, 2000
 Halgerda malesso Carlson & Hoff, 1993
 Halgerda maricola Fahey & Gosliner, 2001
 Halgerda okinawa Carlson & Hoff, 2000
 Halgerda onna Fahey & Gosliner, 2001
 Halgerda orientalis Lin, 1991
 Halgerda orstomi Fahey & Gosliner, 2000
 Halgerda paliensis (Bertsch & Johnson, 1982)
 Halgerda punctata Farran, 1902
 Halgerda stricklandi Fahey & Gosliner, 1999
 Halgerda terramtuentis Bertsch & S. Johnson, 1982
 Halgerda tessellata (Bergh, 1880)
 Halgerda theobroma Fahey & Gosliner, 2001
 Halgerda toliara Fahey & Gosliner, 1999
 Halgerda wasinensis Eliot, 1904
 Halgerda willeyi Eliot, 1904
 Halgerda xishaensis Lin, 1975

Discodorididae