
Plakina 
Plakortis 
a 1. 
Plakinidae DT 
Ar 
Cortieidae 1. Cortierum 
Oligosilieina 
HR: Chondrilla 
1e2: 
$ 1. Oscarella 
2. Halisarea 
Chondrosidae 
Halisareidae 
Pseudotetraxonina 
Ik 1E 
|: 
Tethya 
Tuberella 
Aa 'ptos 
Tethyadae - 
Clavulina 
vw m 
Weberella 
Tentorium 
Osculina . 
. Papillella 
rllerk = 
. Stylocordyla 
. Rhizaxinella 
. Suberites 
Polymastidae 
He us 
Suberitidae 
vera m WW m m m — 
o 
| 
1. Cliona 
2. Piona 
. Poterion . 
3| 3. Myle 
vs . 
= | 4. Sapline . 
Leni 
SS) 5. /domon . 
1 
—— oe ——— 
pe 
b. Jaspis 
. Pronaz . 
Thoosa . 
CR 
Cornacuspongiae 
Halichondrina 
1. Halichondrva . 
IRCaUEe\s re 
3. Tedania 
4. Foliolina 
5. Petrosia 
heniena ee, 
7. Metschnikowia . . 
— 
S KEumastia 
y. Trachytedania . . . 
Aranosiaı.„\c 
Halichondridae 
[m 
ı >>} 
Plakinastrella . 
Chondrosia . 
Polymastia . 
Paläontologie. 
Paläozoisech 
Unter-Silur | 
Silur 
Devon 
Carbon 
Mesozoisch 
4 =) 
gr & "I 
= Rs = 
Ft = > 
= | = a 
| 
| | 
* 

30 * 
Käno- 
ng Ic 
zuisch 
= == 
en = D 
3139 
=) ons 
SEK 
= A 
| 
I 
| 
| 
k * 
467 
Jetztzeit 
x kr * 
* x“ x * 
EEE KERN KR 
* 
