ACTINOZOA. 



237 



Chronological Arrangement of ACTINOZOA, 





Names of Groups. 



Actinozoa 

 Zoantharia 

 Malacodermata 

 Sclerodermata 

 Aporosa 



Turbinolidae 

 Dasmidse 



Oculinidae 

 Stylophoridse 

 Astrseidae . 

 Echinoporidae 



Merulinidae 



Fungidse . 

 Perforata . 



Madreporidae 



Poritidse . 

 Tubulosa 



Auloporidae 

 Tabulata 



Thecidae . 



Seriatoporidae 

 . Favositidae 



Milleporidae 

 Sclerobasica . 



Antipathidae 



Kugosa 



Cystiphyllidae 

 Cyathophyllidae 

 Cyathaxonidse 

 Stauridae . 



Alcyonaria . 



Alcyonidse 

 Tubiporidae 

 Pennatulidae 

 Grorgonidae 



Ctenophora 



I S 



& 



c 



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o 



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Names of Periods. 



C/J 



3 



O 



p 



o 



O 



C 



s 



J- 

 Cm 



Eh 



S-. 



»-3 



«3 



o 



03 



in 





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c 



a; 



