Last Updated
：2025/11/23
ostracod
（ plural ）
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Any of many small crustaceans, of the class Ostracoda, that resemble a shrimp enclosed in a bivalve shell.
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ostracod
The marine biologist carefully examined a fossilized ostracod under the microscope to determine its age.
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The marine biologist carefully examined a fossilized ostracod under the microscope to determine its age.
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