Subgenus (Timothynus) A. W. Harris & K. v. W. Palmer, 1946

(3-4-4-0-20-7-0-12-4-0-0-0-0)
Ref. Abbott, 1974 p 465
[see also as Genus]

subglobosa C. B. Adams, 1852
(3-4-4-0-20-7-0-12-4-1-0-0-0)
Subglobose Diplodon
Ref. Abbott, 1974 p 465
Amer. Fish. Soc., 1988 p 36

venezuelensis W. Dunker, 1848
(3-4-4-0-20-7-0-12-4-2-0-0-0)
Venezuela Diplodon
Ref. Abbott, 1974 p 465
Amer. Fish. Soc., 1988 p 36

verrilli W. H. Dall, 1900
(3-4-4-0-20-7-0-12-4-3-0-0-0)
Verrill Diplodon
Ref. Amer. Fish. Soc., 1988 p 36
Syn. Diplodonta (Diplodonta) turgida A. E. Verrill & E. A. Smith, 1881 [not T. A. Conrad, 1848]
Ref. Abbott, 1974 p 465 d
Abbott & Dance, 1982 p 322 c