Bivalvia

/baɪˈvælviə/ noun

Definition

The scientific class name for mollusks with two shells, including all clams, oysters, mussels, and related creatures.

Etymology

From Latin 'bi-' (two) + 'valva' (shell). The '-ia' suffix is the standard Latin ending for biological class names, used in scientific taxonomy.

Kelly Says

Bivalvia is one of the most successful animal groups ever—there are over 30,000 living species, and they've existed for over 500 million years through multiple extinction events! They survived what killed the dinosaurs.

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