APARCHITOCYTHERE [A. typica] Swain and Peterson 1952,p.10 
[Cytheridae by S.&P.] Upper Jurassic, Wyoming. 
APATOBOLBINA [A. granifera] Ulrich & Bassler 1923,p.304 
[Primitiidae-Eurychilininae by Bassler & Kellett 
1934,pe162; Beyrichiidae by Swartz 1936; 
Beyrichiidae-Beyrichiinae by Henningsmoen 1953, 
pe227,238,269] Silurian, Pennsylvania. 
APATOCHILINA [Eurychilina obesa Ulrich 1890,p.129,p1.9,f.13] 
Ulrich & Bassler 1923,p.304 [Primitiidae-Eurychi- 
lininae by Bassler & Kellett 1934,p.22; Eurychi- 
lininae by Henningsmoen 1953,p.228-267] Ordovician, 
Kentucky. 
APATOCYTHERE [A. simulans] Triebel 1940,p.169 [Cytheridae-- 
Cytherideinae by Triebel] Lower Cretaceous, 
Germany. 
ARCACYTHERE [A. chapmani] Hornibrook 1952,p.31. [Cytheridae-- 
Cytherinae by Hornibrook] Miocene, New Zealand. 
ARCHICANDONA Bronstein 1939,p.337- Lake Baikal, [= PSEUDO- 
CANDONA ?] 
ARCHICONCHOECIA [A. striata] G. W. Miller 1894,p.225 
| Halocypridae-Conchoecinae by Muller 1906a,p.43] 
Recent, Galt off Naples. 
