This research was conducted in December 2015 in the Batu Kalang Beach coastal area of the Pesisir Selatan Regency, West Sumatera Province, aimed to determine the distribution and abundance of bivalves in the intertidal zone. Bivalves samples were taken by using Quadrant Transect Sampling Method and sample was analyzed in Marine Biology Laboratory, Fisheries and Marine Sciences Facultyand data w…