PORES
ATRIUM
OSCULUM
SPICULES
LIVEATTACHED
O
A
L
O
E
S
M
C
K
O
V
B
S
L
Y
Q
H
I
M
U
W
G
T
Y
O
O
A
U
O
V
V
O
V
V
I
S
C
V
I
F
R
O
O
M
H
D
H
E
D
R
B
Q
O
W
V
S
E
V
J
O
A
C
A
N
A
B
H
H
P
C
A
Q
U
T
U
Z
I
T
F
I
O
W
A
U
C
T
T
X
A
R
B
A
T
J
N
C
M
L
G
C
D
E
Z
T
A
T
U
A
E
E
C
U
W
X
A
G
Z
S
R
S
U
O
C
O
D
M
J
I
R
G
V
E
U
I
M
E
K
H
N
J
U
S
X
P
O
R
E
S
U
A
M
I
E
O
Q
U
R
B
A
G
Z
L
U
M
C
M
A
D
L
O
S
P
I
C
U
L
E
S
P
A
T
I
U
I
U
I
U
Y
U
R
W
O
K
B
D
W
