FIELD E ; Taxonomy Code 

 Columns 18, 19. 20, El, 

 22, 23, 24, and 25 



Chitonina, order of subclass 



Polyplacophora 

 Ischnochitonidae 

 Chaetopleura opiculata 

 Chitonidae 

 Chiton tuberculatus 

 Gastropoda 

 Prosobranchia, subclass of 



class Gastropoda 

 Archaeogastropoda, order of 



subclass Prosobranchia 

 Mesogastropoda, order of 

 subclass Prosobranchia 

 Calyptraeidae 

 Crepidula plana 

 Littorinidae 

 Littorina litorea 

 Hydrobiidae 

 Oncomelania quadrasi 

 Neogastropoda, order of subclass 



Prosobranchia 

 Stenoglossa (syn. Neogastropoda, 

 order of subclass Prosobranchia) 

 Buccinidae 



Busycon canaliculatum 

 Fulgar canaliculatum 



(syn. Busycon canaliculatum) 

 Opisthobranchia, subclass of 



Gastropoda 

 Tectibranchia, order of subclass 



Opisthobranchia 

 Pteropoda, order of subclass 



Opisthobranchia 

 Sacoglossa, order of subclass 



Opisthobranchia 

 Acoela, order of subclass 



Opisthobranchia 

 Ditremata, order of subclass 



Opisthobranchia 

 Pulmonata, subclass of class 



Gastropoda 

 Basommatophora, order of 



subclass Pulmonata 

 Planorbidae 

 Planorbis sp. 

 Australorbis glabratus 

 Bulinus sp. 

 Biomphalaria boissyi 

 Lymnaeidae 

 Lymnaea stagnalis 

 Stagnicola bulimoides 

 Lymnaea bulimoides 



(syn. Stagnicola bulimoides) 

 Stagnicola cubensis 

 Fossaria cubensis 



(syn. Stagnicola cubensis) 

 Galba sp. 

 Fossaria ollula 

 Pseudosuccinea columella 



35 



