Meaning of PLACODERMI
 WordNet Dictionary |
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| | Definition: | | [n] extinct group of bony-plated fishes with primitive jaws |
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| | Synonyms: | | class Placodermi |
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| | See Also: | | class, Craniata, placoderm, subphylum Craniata, subphylum Vertebrata, Vertebrata | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Plac`o*der"mi\, n. pl. [NL., fr. Gr. ?, ?, a tablet
+ ? skin.] (Paleon.)
An extinct group of fishes, supposed to be ganoids. The body
and head were covered with large bony plates. See Illust.
under {Pterichthys}, and {Coccosteus}.
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