A
Af
Am
Ao
At
B
Be
Bl
Br
C
Ce
Ci
Co
Cr
Cu
D
De
Di
Do
E
Em
Et
F
Fi
Fo
Fu
G
Gl
Gr
H
Hi
I
In
Io
J
K
Kl
L
Le
Lo
M
Mai
Mari
Mc
Mi
Mo
Mu
N
Ni
O
Om
P
Pe
Ph
Pl
Pr
Pu
Q
R
Re
Ri
Ro
Ru
S
Sc
Se
Si
Sp
St
Su
T
Te
Th
Tr
Tu
U
V
Ve
Vi
W
X-zzz
Release 31.03 went live 18th November, 2011
Retusa antarctica
(Pfeffer, G., 1886)
Shell size to 2.7 mm
South Georgia Isls.
Taxonomic Information
Class
GASTROPODA OPISTHOBRANCHIA
Order
CEPHALASPIDEA
SuperFamily
PHILINOIDEA
Family
RETUSIDAE
Page/Plate
Acad. Nat. Sci. Phil.