B
Aartisidae +
R
Aartisidae +
B
A
Abelisauridae +
E
B
Abelisauridae +
R
D
Abelisauridae +
J
Abelisauridae +
R
A
D
Accipitridae +
S
C
Actiniidae +
W
Actiniidae +
J
D
Actiniidae +
A
T
Aerocaulidae +
C
B
Aerocaulidae +
C
Agaricaceae +
I
Agaricaceae +
R
Agaricaceae +
D
P
Agnaridae +
C
F
T
Y
Agnathadata +
G
Agnathadata +
L
Agnathadata +
Agnathadata +
A
Agnathadata +
Agnathadata +
D
Agnathadata +
G
Agnathadata +
J
S
V
H
K
P
S
Agnathasauridae +
K
Agnathasauridae +
N
Agnathasauridae +
Agnathasauridae +
S
D
C