Definition of "ostracods" [ostracods]

• Plural form of ostracod. (noun)

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• "Among the stems and leaves of the ancient mosses, the researchers found fossils of tiny crustaceans called ostracods, fragments of larval casings of mosquito-like flies called midges and a millimeter-wide bit of a beetle shell."
• "Their research has revealed fossilized evidence for reproduction using giant sperm in a group of small aquatic crustaceans, called ostracods, dating back to"
• "Boy ostracods attract girl ostracods by using flashing lights."