CYTHERELLOIDEA [Cythere (Cytherella) williamsoniana Jones 
1849,p.31,pl.7,f.26a-1] Alexander 1929,p.55 
[Cytherellidae by Alexander] Cretaceous, England. 
CYTHERETTA [C. rubra G. W. Miiller 1894 = Cytherina subradiosa 
Roemer 1838,p.517,pl.6,f.20 = Cytheretta subradiosa 
(Roemer) by Ruggieri 1950a,p.9] G. W. Mtiller 1894, 
pe382 [Cytheridae-Cytherettinae by Triebel 1952, 
pel6] Pliocene to Recent, Italy. 
CYTHERETTINAE Triebel 1952,pelo, a subfamily of Cytheridae 
for Cytheretta and Paracytheretta. 
CYTHERIDEA [4 species, the lst, Cythere mulleri Miinster 1850, 
pe62, was designated genotype by Brady and Norman 
1889,p.172] Bosquet 1852,p.37 [Cytheridae-- 
Cytherideinae by Sars 1925,p.e152] Tertiary, 
Oligocene for the most part, Osnabriick, Cassel, 
Paris, Bordeauxe The type species was first 
figured by Roemer 1838,pl.6,fig.6. The genus has 
received much modification in recent years, see 
particularly Stephenson 1936, and Goerlich 1953. 
CYTHERIDEINAE Sars 1925,p.152, a subfamily of Cytheridae to 
include Cytherissa, Cyprideis, Cythceridea, 
Eucythere, and Krithe. 
CYTHERIDEIDAE Sylvester-Bradley and Harding 1953,pe755, a 
family for Cytheridea, Hemicytherideis, Neocytheri- 
deise 
55 
