RER o sa RN ie are race doan oo oops raoem=oae=ooooo 
Name of the species 
Turitella angulata Sow. 
»  (Zaria) subangu- 
lata Brocchi 
» » var. 
= sp. n. 
MessaliafasciataLamarck 
„ Heberti Desh. 
» (Tomyris) Aralica 
Mihail. 
Vermetus(Burtinella) Bog- 
noriensis Mantell. var. ? 
Cerithioderma cf. alter- 
nans v. Koenen 
Aporrhais Sowarbi Man- 
tell. 
Dientomochilus (Echino- 
chilus) planus Beyr. 
Rostellaria (Hippocrene) 
ampla Sol. var.? 
Pyrula crassistria v. Koen. 
Cassideaambigua Sol. var 
Cassidaria nodosa Sol. 
s ZED! 
u ami: v. Koenen 
Eutritonium (Sassia) 
expansum Sow. 
» (Sassia,' flandricum 
de Koninck 
Typhis sp. 
Tritonidea sp. 
Siphonallia (Pseudonep- 
tunea) brevicauda Phil. 
Semifusus (Mayeria) 
errans Sol. 
Sycum bulbus Sol. 
»  Ppyrus Sol. 
„ Sp. 
Ptychatractus sp. 
subangulata |- 















N. shore of Lake Chal- 
the Aral Sea 9 kar 
zes 
S =. iflgla = 
= o. U U) 
SEgessligi s 
= a ElF| zx? E 
= | STE > | > 
s ıalslelalsrslergiır 
s 3/82 /2]2]8|3]8 3 
2,3l312j&lö}alöllö 
ge x — 
BR Bar a 
SPREGE EEE 2 8 
=a Bi Six ia 
—>|—i—i—iIXiI-i>I>| — 
eier 
X X X 
Re FE SER Ze 2 
X|—|X —1-1IX ER 
as Kes 
se ren 
X\—>IX———il—-i—|-i— 
X x) ge 
X |—|— — |-1-1—-|—-|X 
JANA u sa ae 
X|—!| ILE lezije kaki ni jeza 
oi SE ER KR NI | ze 
RE ai PAR Bo 
Ran 
| 
SERE oke 
EB Ren 
ER] Sa] Mr cur 
ELR Pe alzla 
x|-|- —|-1-1- 1 | |— 


Nearest allied 
species 
C. nodosa Sol. 
T. Morrisi Edw. 
S. ovatum Beyr. 
& S. globatum 
Des. 
P. interruptus 
Pilk. 
Eocene 


Lower 
| < | Middle 
| x 

ee Iza 1 

| Be zid 
IpIı 
> 


Oligocene 

De FUN 

