Pistolgrip Pearlymussel (Tritogonia verrucosa) from the East Pearl River, Hancock County, Mississippi #river #riverlife #mussel #musselsurvey #malacology #mollusk #mollusca #Tritogonia #Tritogoniaverrucosa #unionid #bivalve #bivalvia #Mississippi

Pistolgrip Pearlymussel (Tritogonia verrucosa) from the East Pearl River, Hancock County, Mississippi #river #riverlife #mussel #musselsurvey #malacology #mollusk #mollusca #Tritogonia #Tritogoniaverrucosa #unionid #bivalve #bivalvia #Mississippi