130 



PLEUROTOMARIA 

 clathrata 

 obesa 

 pagodus 

 scalaris 



PCRPURA 



Lapierrea 

 Moreansia 



PURPURINA 



Moreausia 

 unilineata 

 PTEROCERAS 



atractoides 



cirrus 



hamulus 



hamus 



paradoxa 



Phillipsii 



RlMULA 



RlSSOA 



acuta 

 clathrata 



acuta 

 duplicata 

 kevis 

 obliquata 

 RISSOINA 



acuta 



duplicata 



obliquata 



ROSTELLARIA 



bicarinata 



bispinosa 



cirrus 



composita 



hamulus 



hamus 



trifida 



SERPCLA 



intestinalis 



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