Last Updated
：2025/11/30
chasmataspidid
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（ plural ）
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(zoology) Any of the Chasmataspidida, an extinct group of chelicerate arthropods.
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chasmataspidid
The paleontologist held up the fossil, explaining that the chasmataspidid had once prowled the shallow seas hundreds of millions of years ago.
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The paleontologist held up the fossil, explaining that the chasmataspidid had once prowled the shallow seas hundreds of millions of years ago.
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