Family Didemnidae
 
Trididemnum Della Valle, 1881
 
  Trididemnum cereum (Giard, 1872) (3, 4, 5)
  Trididemnum inarmatum (Drasche, 1883) (3, 4, 5)
 
Didemnum Savigny, 1816
 
  Didemnum coccineum (Drasche, 1883) (4)
  Didemnum commune (Della Valle, 1877) (3, 4)
  Didemnum coriaceum (Drasche, 1883) (3, 4)
  Didemnum drachi Lafargue, 1975 (4)
  Didemnum fulgens (Milne-Edwards, 1841) (3, 4, 5)
  Didemnum granulosum ( Drasche, 1833) (3, 4, 5)
  Didemnum lahillei Hartmeyer, 1909 (3, 4, 5)
  Didemnum maculosum (Milne-Edwards, 1841) (3, 4, 5)
  Didemnum pseudofulgens Médioni, 1970 (4)
  Didemnum protectum (Daumezon, 1909) (4)
 
Polysyncraton Nott, 1892
 
  Polysyncraton bilobatum Lafargue, 1968 (4)
  Polysyncraton canetense Brément, 1913 (4)
  Polysyncraton haranti (Pérès, 1956) (5)
  Polysyncraton lacazei (Giard, 1872) (4, 5)
 
Lissoclinum Verril, 1871
 
  Lissoclinum perforatum (Giard, 1872) (3, 4, 5)
  Lissoclinum weigelei Lafargue, 1968 (4)
 
Diplosoma Macdonald, 1859
 
  Diplosoma carnosum Drasche, 1883 (4)
  Diplosoma listerianum (Milne-Edwards, 1841) (3, 4, 5)
  Diplosoma spongiforme (Giard, 1872) (3, 4)

Top of page