Calloarca [Calloarca]

Description

The genus Calloarca encompasses a unique group of ark clams that are characterized by their smooth, often glossy shells, which can appear somewhat translucent. These clams are typically found in warmer, tropical waters, where they burrow into sandy or muddy substrates. Calloarca species play a role in their marine environments similar to other ark clams, engaging in filter feeding to extract plankton and other nutrients from the water.

Species

Oblique Arc [Calloarca obliquata]

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Smooth Callista [Calloarca smoothcallista]