Arnheim formation," by Bassler and Kellett 193, 
Deolyo 
FALSIPOLLEX [F. altituberculatus] Kesling and McMillan 1951, 
pe67 [Hollinidae by K&M] Devonian, Michigan. 
FAVELLA [F. puella] Coryell and Fields 1937,p.8; revised by 
Edwards 1944,p.523-52) [Cytheridae-Cytherideinae 
by C&F] Miocene, Panama. [Preoccupied by 
Favella Jérgensen 1925, Prot~., fide Neave, 
Nomenclator Zoologicus vole2,pe40l.e] = Puriana 
Coryell) and Fields by Coryell, in Puri 2953b, 
Dee 
FAVULELLA [Bythocypris favulosa Jones 1889a,p.33&,pl., 
figsel,2a-c] Swartz and Swain 1941,p.438 
[?Thlipsuridae by Swartz and Swain] Devonian, 
Pennsylvania. 
FIMBRIA Neviani 1928,p.72, a "Gruppo", a subgenus or genus 
of "Cythereis", but preoccupied many times by such 
as Fimbria Bohadsch 1761, Mollusca, Fimbria Rosso 
1826, Tunicata etc., fide Neave, Nomenclator 
Zoologicus, vole2,pe408. 
FLEXUS Neviani 1928,pe72,75, as “Gruppo” = subgenus of 
Cythereis. Subgenotype: Cythere plicata Munster 
1830,p.63. 
78 
a 7 nn ae 
