SILURIAN. 
DEVONIAN. 
SUBCARBONIFEROTS. 
| 
Carson- | 
IFEROUS. 
‘eros 
Se | 
Af 
22s 
: es > 
=o & > | 
B 5 
See LOR KS) o = 
= So S <a iS 
in 3 z 
B 5 
d = 
| § 
= 
ae = 
=OP Ss 
He SO 3 
oss % 
ae } 
ia 2 
—m Re | 
E y 
Reteocrinidae. | | 
st | 1 
Thysanocrinidae. | 
| 
thodocrinidae. | 
| 
= | 
4 
Melocrinidae. Z 
SS | > | 
Calyptocrinidae. = ro) 
| > 
| Ss 
Batocrinidae. =| 
x 
| > 
} 2 
Actinocrinidae. r 
Crotalocrinidae. 
Platycrinidae. z | 
4 
| 
Hexacrinidae. | = || 
Acrocrinidae. | 
Cupressocrinus. 
Myrtillocrinus. 
Haplocrinus. 
Symbathocrinus. 
Allagecrinus. 
Pisocrinus. 
Hybocrinidae. 
Heterocrinidae. 
Anomalocrinidae. 
Calceocrinidae. 
Catillocrinidae. 
Belemnocrinidae. 
Gasterocomidae. 
Cyathocrinidae. 
Poteriocrinidae 
Codiacrinidae. 
Encrinidae. 
Astylocrinidae. 
Zophocrinus ? 
Ichthyocrinidae. 
| 
“VINUOATAUNV'T 
"VLYTOLSI 
| 
> 
3 
Z 
= 
= 
> 
UTAV.L 
r, 
{i 
ONIMOHS 
COS AD 
79) 
P 
z| 
( 
\OTO 
x 
iy 
INVA TVOI 
ay 
LO 
[HL 
r 
, 
OLOZOW TV d 
uo 
‘SCIONI 
