285] B. Wade 87 



CLASS GASTROPODA 

 Order Opisthobranchiata 

 Suborder Tectibranchiata 



Acteonidae. Acteon 5 species 



Tornatella 2 species 



Ringiculidae. Ringicula 1 species 



Scaphandridate. Cylichna 1 species. 



Order Ctenobranchiata 

 Suborder Toxoglossa 



Cancellariidae. Paladmete 3 species 



Mataxa 1 species 



Turritidae. Turris 1 species 



Surcula 6 species 



Volutidae. Volutoderma 3 species 



Volutomorpha 5 species 



Tectaplica 1 species 



Liopeplum 1 species 



Drilluta : 2 species 



Ptychosyca 2 species 



Mitridae. Mitra 1 species 



Vasidae. Xancus 3 species 



Fusidae. Fusus 2 species 



Subgenus Anomalofusus 1 species 



Ornopsis 2 species 



Fasciolaridae. Piestochilus 1 species 



Odontof usus 3 species 



Thaisidae. Sargana 2 species 



Busyconidae. Busycon 1 species 



Pyropsis 3 species 



Pyrif usus 3 species 



Buccinidae. Hemifusus 1 species 



Hydrotribulus 2 species 



Nyctilochidae. Tritonium 1 species 



Columbellariidae. Columbellina 1 species 



Strombidae. Pugnellus 1 species 



Rimella 1 species 



Aporrhaidae. Aporrhais 6 species 



Anchura 2 species 



Suborder Streptodonta 



Scalidae. Pseudomelania 1 species 



Vermetidae. Laxispira 1 species 



Turritellidae. Turritella 8 species 



Naticidae. Gyrodes 3 species 



Lunatia 2 species 



Capulidae. Thylacus 1 species 



Littorinidae. Littorina .1 species 



