Subgenus (Mesopleura) T. A. Conrad, 1868

(3-4-4-0-24-11-2-36-1-0-0-0-0)
Ref. Keen, 1971 p 248
Syn. (Subtagelus) E. Ghosh, 1920
Ref. Abbott, 1974 p 516

bourgeoisae L. G. Hertlein, 1951
(3-4-4-0-24-11-2-36-1-1-0-0-0)
Ref. Keen, 1971 p 248 bw

divisus (L. Spengler, 1794)
(3-4-4-0-24-11-2-36-1-2-0-0-0)
Purplish American Tagelus, Purplish Tagelus
Ref. Abbott & Dance, 1982 p 349 c
Amer. Fish. Soc., 1988 p 43
Syn. Tagelus (Tagelus) bidentatus (L. Spengler, 1794);
Tagelus (Tagelus) centralis (T. Say, 1822)
Ref. Abbott, 1974 p 516 d

peruvianus H. A. Pilsbry & A. A. Olsson, 1941
(3-4-4-0-24-11-2-36-1-3-0-0-0)
Ref. Abbott, 1974 p 516
Keen, 1971 p 248 bw

politus (P. P. Carpenter, 1855)
(3-4-4-0-24-11-2-36-1-4-0-0-0)
Syn. Tagelus (Tagelus) carpeanteri W. Dunker, 1862;
Tagelus (Tagelus) nitidissima W. Dunker, 1868
Ref. Abbott, 1974 p 516
Syn. Siliquaria carpenteri W. Dunker, 1862;
Siliquaria nitidissima W. Dunker, 1868
Ref. Keen, 1971 p 248 bw

subteres (T. A. Conrad, 1837) [T]
(3-4-4-0-24-11-2-36-1-5-0-0-0)
Lesser Tagelus, Purplish Pacific Tagelus
Ref. Abbott, 1974 p 516,517 bw d
Amer. Fish. Soc., 1988 p 43