pteraspidae
noun as in strong fondness
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Example Sentences
Example:Unlike pteraspids, bivalves have a distinct bilateral symmetry and closed body cavity.
Definition:A taxonomic class of marine mollusks with two shells
From bivalves
Example:Pteraspids often had a calcite exoskeleton, while some gastropods had a chitinous exoskeleton instead.
Definition:An exoskeleton composed primarily of calcium carbonate
From calcite exoskeleton
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