Wedge Trough Shells [Rangia]

Description

Rangia is a genus of bivalves in the family Mactridae, often called Wedge Trough Shells. These clams have a distinctive wedge-shaped shell, which aids in their burrowing lifestyle. Rangia species are typically found in brackish and estuarine environments, where they can tolerate a range of salinities. They play a significant ecological role by filtering water to feed, thereby contributing to the maintenance of water quality in their habitats.

Species

Eastern Wedge Trough Shell [Mactra orientalis]

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New Zealand Wedge Trough Shell [Mactra discors]