212 



J. HOPKINSON FOEMATION AND 



CCELENTEEATA. 



o 



Pi 





HYDRO- <; 

 ZOA... 1 



11 



o 



o 



■I* 



o g 



.P p. 



Gymnochroa 



Athecata 



Thecaphora 



i [Cladophoka 



[Rhabdophora (graptolites) 



Hydrocoralla 



^ Haplomorpha 



Calycophorida 



Physophorida 



Ehizostomida 



Pblagiada ( = Monostomea).. 

 LucERNARiDA ( = Calycozoa) 



ctenophoea! I 



Stenostomata 

 urystomata 



Hydra. 



Coryne, Tulularia. 

 Campamilaria, Sertularia. 

 PtilograptHs,Dendrograptus.'\ 

 Monograptus,I)iceUograptus!\ 

 Millepora, Stylaster. 

 ^gina, Geryonia. 

 Diphyes, Ahyla. 

 Fhysalia, Velella. 

 Rhizostoma, Cassiopeia. 

 Felagia, Cyanea, Aurelia, 

 Lncernaria, Carduella. 



Mnemxa, Cestum, Cydippe. 

 Bero'e, Alcinoe, Neis. 



ACTINO- 

 ZOA 



B 

 O 



POLTZOA. 



MALACODERMATA(sea-anemoiies) Zoanthus, Actinia. 



ScLEROBASiCA Antipathes, Gerardia. 



ScLERODERMATA (stone-corals) Cyaihina, [^Favosites]. 



[EuGOSA Stauria, Cyafhophylluiii.'\ 



r Alcyonida Alcyoniu7n, Anthelia. 



I TuBiPORiDA Tubipora. 



^ Pennatulida (sea-pens) Fmntitula, Virgularia. 



GoRGONiDA Corallium, Heliopora. 



. IsiDA Mopsea, Melithcea. 



MOLLTJSCOIDA. 



TPedicellinea Fedicellina, Loxosoma. 



I Chilostomata JEtea, Flttstra, Cellepora. 



\ Cyclostomata Tuhipora, Defrancia. 



j Ctenostomata Alcyonidium, Anguinella. 



i Phylactol^mata Flumatella, Cristatella. 



i^PoDOSTOMATA Rhahdopleura. 



■p-D AnTTTnpn'n A f Inarticulata Li)igiua, Btscina, Crania. 



liKAOMlUl UiJA Iarticulata Terebralnla,Spirifer,[Orthis]. 



TUNIC ATA j 



)' BiPHOKA SaJpa, Boliolum. 



AsciDioiDA Ascidia, Appendicularia. 



MOLLUSCA. 



LAMELLT- 

 BEANCHIATA 



(■ ASIPHONIATA 

 ( SiPHONIATA , 



Ostrea, Mytihts, Anodnnta. 

 Cardiiim, My a, Teredo. 



[Odontophora.) 



GASTROPODA 



HETEEOPODA 

 PTEEOPODA ... 

 CEPHALOPODA 



Opisthobranchiata. 

 Prosobranchiata. . . . 



PuLMONIFERA 



POLYPLACOPHORA . . . . 



FiROLIDA 



Atlantida 



Gymnosomata 



Thecosomata 



scaphopoda 



Tetrabranchiata 



DiBRANCHIATA 



Forts, Aplysia, Bulla. 

 Fatella, Cyprma, Littorina. 

 Flanorbis, Helix, Limax. 

 Chiton. 



Firola, Carinaria. 

 Atlanta, [Bellerophoul. 



Clio, Eurybia. 



Hyalcea,Limnci)ia,\_Conularia\ 

 Fentaliiim, Fntalis. 



Nautilus, \_Animo)iites'\. 

 Sepia, Octopus, [Belemnites']. 



