S. D. Gurumayum
During the year 2011-2013 Surveys of the Pennera River estuary were conducted three times. Using qualitative and direct sampling methods, collection of mollusca fauna were made from six sampling stations along the estuarine part of the river at Nellore, Andhra Pradesh. A total of 29 estuarine mollusca form were found under 7 order, 15 family and 22 genus. Out of this species 14 species were found alive and extensive mollusca beds were observed within the study areas.
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