** Fauna: Invertebrates 



OPISTHOBRANCHIATA (Marine Gasteropods) 

 Siphonaria grisea\ 



S. venosa -Limpet-like in shell. 



Gadinia afra } 



PULMONATA (Snails, Slugs, etc.) 

 Ennca liberiana. 

 Streptaxis monroviana. 

 Stenogyra involute. 

 S. striata. 

 AcJiatina variegata. 

 A. purpurea. 

 A. knorri. 



Veronicella pleuroprocta. 

 Limicolaria turbinata. 

 Perideris torrida. 

 P. interstincta. 



Sub-Class: PELECYPODA 



FILIBRANCHIATA (Mussels, etc.) 

 Mytilus senegalensis. 

 M. var. semistriata. 

 M. perna. 



PSEUDOLAMELLIBRANCHIATA (Oysters) 

 Ostrea sp. 



EULAMELLIBRANCHIATA (Unio Shells, etc.) 

 jEtlieria plumbea (Fresh-water Oysters) 

 Dreissensia africana. 

 Cyrenoida dupontia. 

 Meretrix tripla. 



CRUSTACEA 



MALACOSTRACA (Crabs, Crayfish, etc.) 

 BRACHYURA (Crabs) 



Cardi senna armatum (big land Crab). 

 Sesarma africana\ 



S. angolensis [ Small land Crabs. 

 S. buettikoferi I 



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