Genus Cyathodonta T. A. Conrad, 1849

(3-2-3-1-3-8-0-10-0-0-0-0-0)
Ref. Abbott & Dance, 1982 p 374
Amer. Fish. Soc., 1988 p 48
Keen, 1971 p 297
Morris, 1966 p 49
Morris, 1973 p 100
Vaught, 1989 p 140
[sometimes considered a Subgenus of Thracia]
Ref. Abbott, 1974 p 559

dubiosa W. H. Dall, 1915
(3-2-3-1-3-8-0-10-0-1-0-0-0)
Doubtful Thracid
Ref. Amer. Fish. Soc., 1988 p 48
Keen, 1971 p 297 bw
[=Cyathodonta undulata T. A. Conrad, 1849]
Ref. Abbott, 1974 p 559

lucasana W. H. Dall, 1915
(3-2-3-1-3-8-0-10-0-2-0-0-0)
Size 0.75" long
Ref. Keen, 1971 p 297 bw

magnifica (J. H. Jonas, 1850)
(3-2-3-1-3-8-0-10-0-3-0-0-0)
Ref. Keen, 1971 p 297

pedroana W. H. Dall, 1915
(3-2-3-1-3-8-0-10-0-4-0-0-0)
[=Cyathodonta undulata T. A. Conrad, 1849]
Ref. Abbott, 1974 p 559

semirugosa (L. A. Reeve, 1859)
(3-2-3-1-3-8-0-10-0-5-0-0-0)
Wavy Caribbean Thracia, Wavy Thracia, Wavy Thracid
Size 0.75"-1" long
Ref. Abbott, 1974 p 559
Amer. Fish. Soc., 1988 p 48
Morris, 1973 p 100 bw

tumbeziana A. A. Olsson, 1961
(3-2-3-1-3-8-0-10-0-6-0-0-0)
[?=Cyathodonta undulata T. A. Conrad, 1849]
Ref. Keen, 1971 p 297

undulata T. A. Conrad, 1849 [T]
(3-2-3-1-3-8-0-10-0-7-0-0-0)
Wavy Pacific Thracia, Wavy Thracia
Size 1.5" long
Ref. Abbott & Dance, 1982 p 374 c
Morris, 1966 p 49 bw
Syn. Cyathodonta dubiosa W. H. Dall, 1915;
Cyathodonta pedroana W. H. Dall, 1915
Ref. Abbott, 1974 p 559 bw
Syn. ? Cyathodonta tumbeziana A. A. Olsson, 1961;
Cyathodonta undulata peruviana A. A. Olsson, 1961
Ref. Keen, 1971 p 297 bw

peruviana A. A. Olsson, 1961
(3-2-3-1-3-8-0-10-0-7-1-0-0)
[=Cyathodonta undulata T. A. Conrad, 1849]
Ref. Keen, 1971 p 297