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
33.10 went live 13th May, 2013
Rissoa ordinaria
Smith, E.A., 1890
Shell size to 1.3 mm
St Helena
Taxonomic Information
Class
GASTROPODA ORTHOGASTROPODA
Order
LITTORINIMORPHA
SuperFamily
RISSOIDEA
Family
RISSOIDAE RISSOINAE
Page/Plate
Acad. Nat. Sci. Phil.