G. We Miiller 1894,p.238 [Polycopidae by Sars 
1923,p.-363; 1928,p.IX] Recent, off Ireland. 
POLYPHYMA [P. lapworthi] Groom 1902,p.84-86 [described as 
an ostracod; = Conchostraca by Ulrich and Bassler 
1931,p.64] Cambrian, England. [not Polyphyma 
Jakolev, 1877, Hem.; nor Hamm 1881, broyz., fide 
Neave 1939, vol.3,p.860. 
POLYTYLITES [P. geniculatus] Cooper 1941,p.51 [Kirkbyidae-- 
Amphissitinae by Cooper] Mississippian of Illinois. 
POLYZYGIA {P. symmetrica] Giirich 1896,p.387 [Leperditidae 
by Glirich; Zygobolbidae-Drepanellinae by Bassler 
and Kellett 1934,p.435; ?Drepanellidae-Basslera- 
tiinae by Schmidt 1941,p.50; Beyrichiacea of 
uncertain family by Henningsmoen 1953,p.27h] 
Devonian, Poland. 
PONDERODICTYA [Cytherella (?) bispinulatus Stewart 1927, 
p.60,pl.5,f-18,19 = Ponderodictya bispinulata 
(Stewart)] Coryell and Malkin 1936,p.15 [Cythe- 
rellidae by C&M; Healdiidae by Henningsmoen 1953, 
pe257, 260,261] Devonian of Ontario. 
PONTOCYPRIA [P. spinosa] G. W. Muller 1894,p.255 [Cypridae-- 
Pontocyprinae by Miiller] Recent, Gulf of Naples. 
