Subgenus (Neocyrena) H. Crosse & P. Fischer, 1894

(3-4-4-0-9-1-0-58-7-0-0-0-0)
Ref. Bernard, 1983 p 50
Keen, 1971 p 114
Vaught, 1989 p 134

boliviana (R. A. Philippi, 1851)
(3-4-4-0-9-1-0-58-7-1-0-0-0)
Syn. Cyrena (Cyrena) boliviana R. A. Philippi, 1851;
Cyrena (Cyrena) exquisita T. Prime, 1870;
Cyrena (Cyrena) tribunalis T. Prime, 1869
Ref. Bernard, 1983 p 50
Syn. Cyrena (Cyrena) exquisita T. Prime, 1867;
Cyrena (Cyrena) tribunalis T. Prime, 1870
Ref. Keen, 1971 p 114 bw

fontainei [fonteineii] (A. d'Orbigny, 1844)
(3-4-4-0-9-1-0-58-7-2-0-0-0)
Syn. Cyclas fontaineii A. d'Orbigny, 1844;
Cyrena (Cyrena) chilina T. Prime, 1870;
Cyrena (Cyrena) fortis T. Prime, 1861
Ref. Bernard, 1983 p 50
Syn. Cyrena (Cyrena) chilina T. Prime, 1867;
? Cyrena (Cyrena) exquisita T. Prime, 1867
Ref. Keen, 1971 p 114 bw

meridionalis (T. Prime, 1865)
(3-4-4-0-9-1-0-58-7-3-0-0-0)
Ref. Keen, 1971 p 114 bw
Syn. Cyrena (Cyrena) meridionalis T. Prime, 1865
Ref. Bernard, 1983 p 50

nicaraguana (T. Prime, 1869) [T]
(3-4-4-0-9-1-0-58-7-4-0-0-0)
Syn. Cyrena (Cyrena) nicaraguana T. Prime, 1869;
Cyrena (Cyrena) radiata authors [not S. C. T. Hanley, 1844, nor Parreys in R. A. Philippi, 1846];
Cyrena (Cyrena) solida R. A. Philippi, 1846 [not W. Dunker, 1843]
Ref. Bernard, 1983 p 50
Syn. Cyrena (Cyrena) radiata of authors [not S. C. T. Hanley, 1844];
Cyrena (Cyrena) solida R. A. Philippi, 1847 [not W. Dunker, 1843]
Ref. Keen, 1971 p 114 bw

ordinaria (T. Prime, 1865)
(3-4-4-0-9-1-0-58-7-5-0-0-0)
Syn. Cyrena (Cyrena) germana T. Prime, 1870;
Cyrena (Cyrena) ordinaria T. Prime, 1865
Ref. Bernard, 1983 p 50
Syn. ? Cyrena (Cyrena) germana T. Prime, 1867
Ref. Keen, 1971 p 114 d

triangula (Busch, 1849)
(3-4-4-0-9-1-0-58-7-6-0-0-0)
Syn. Cyrena (Cyrena) triangula Busch in R. A. Philippi, 1849
Ref. Bernard, 1983 p 50