Abstract

• The sample collection sites are located in the northern part of the Andaman sea. Ayeyarwady continental shelf is a part of Andaman Sea. There are five zones of Ayeyarwady continental shelf are recognized; Near shore zone, Inner shelf zone, Middle shelf zone, Outer shelf zone and Upper slope zone.Very low to high diversity of twenty four foraminiferal species are found in the Middle shelf zone environment. Faunal distribution and population are different in the study area and distinct genera of foraminiferas are observed in specific condition. It is noteworthy that faunal diversity and species diversity are encountered in different areas. By studying of the foraminiferas, Osangularia bengalensis species are dominant in the Middle shelf zone environment.