Subgenus (Diloma) R. A. Philippi, 1845
(5-4-1-3-2-11-8-10-4-0-0-0-0)

? adelaidae (R. A. Philippi)
(5-4-1-3-2-11-8-10-4-1-0-0-0)
Ref. Kaicher, 1987 #5073 bw

bicanaliculata (R. W. Dunker)
(5-4-1-3-2-11-8-10-4-2-0-0-0)

bicanaliculata (R. W. Dunker)
(5-4-1-3-2-11-8-10-4-2-1-0-0)
Ref. Kaicher, 1987 #5143 bw

concamerata (W. Wood, 1828)
(5-4-1-3-2-11-8-10-4-3-0-0-0)
Speckled Monodont
Syn. Diloma (Diloma) striolatus J. R. C. Quoy & J. R. Gaimard
Ref. Abbott & Dance, 1982 p 42 c

digna (Finlay)
(5-4-1-3-2-11-8-10-4-4-0-0-0)
Ref. Kaicher, 1987 #5094 bw
[=Diloma (Diloma) nigerrima (J. F. Gmelin, 1791)]
Ref. Abbott & Dance, 1982 p 43

nigerrima (J. F. Gmelin, 1791)
(5-4-1-3-2-11-8-10-4-5-0-0-0)
Black Monodont
Syn. Diloma (Diloma) digna Finlay
Ref. Abbott & Dance, 1982 p 41 c

? piperina (R. A. Philippi)
(5-4-1-3-2-11-8-10-4-6-0-0-0)
Ref. Kaicher, 1986 #4527 bw

? sinensis (J. F. Gmelin)
(5-4-1-3-2-11-8-10-4-7-0-0-0)
Ref. Kaicher, 1987 #5112 bw

striolatus J. R. C. Quoy & J. R. Gaimard
(5-4-1-3-2-11-8-10-4-8-0-0-0)
[=Diloma (Diloma) concamerata (W. Wood, 1828)]
Ref. Abbott & Dance, 1982 p 42

? suavis (R. A. Philippi)
(5-4-1-3-2-11-8-10-4-9-0-0-0)
Ref. Kaicher, 1987 #5129 bw

? tigrina (H. E. Anton)
(5-4-1-3-2-11-8-10-4-10-0-0-0)
Ref. Kaicher, 1987 #5069 bw

? variegata (H. E. Anton)
(5-4-1-3-2-11-8-10-4-11-0-0-0)
Ref. Kaicher, 1986/1987 #4622/5113 bw

? zelandica (J. R. C. Quoy & J. R. Gaimard)
(5-4-1-3-2-11-8-10-4-12-0-0-0)
Ref. Kaicher, 1987 #5153 bw

? zeus (P. Fischer)
(5-4-1-3-2-11-8-10-4-13-0-0-0)
Ref. Kaicher, 1987 #5100 bw