Superfamily: Nerifoidea ( RT 54 )
Family: Neritidae 
Species: Neritina Communis 
Common Name: Zigzag Nerite ( Quoy & Gaimard 1832 )
Habitat: Among Mangroves 
Origin: Malaysia 
Average Size: 1.2 cm ( 0.5 in )

SET OF TWO (2)