Amphidromus perverus butoti color form melannoma (Pfeiffer, 1852)

     From small island off Kangean. Laidlaw and Solem considered form melannoma as a subspecies occurring only in the Riouw Archipelago. However, that leaves no form name for this pattern from this locality.

Amphidromus perverus butoti color form melannoma (Pfeiffer, 1852)