Gattung Perak Samui 
Sitala carinifera insularis 
sublineolata 
Kaliella perakensis subseulpta 
Microcystina townsendiana 
malayana 
conulina 
Xestina striata leechi weinkauffiana 
inflata 
siamensis 
Hemiplecta sakaya 
? pluto 
Ariophanta kintana 
Trochomorpha | grubaueri 
kelantanensis 
Satsuma perakensis 
Chloritis penangensis 
malayana 
wrayi platytropis 
hardouini 
Pupisoma orcella 
Amphidromus perversus 
perakensis ? moniliferus 
? melanomma 
atricallosus 
Eulota similaris 
Hapalus jousseaumi 
Prosopeas tchehelense 
Rhodina perakensis 
Opeas gracile gracile 
filiforme 
Vertigo samuiana 
