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placoderm

 ลองค้นหาคำในรูปแบบอื่น: placoderm, *placoderm*
  WordNet (3.0) 
placoderm
(n) fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
placodermi
(n) extinct group of bony-plated fishes with primitive jaws, Syn. class Placodermi
  Collaborative International Dictionary (GCIDE) 
Placoderm

n. [ Gr. pla`x, plako`s, tablet + de`rma skin. ] (Paleon.) One of the Placodermi. [ 1913 Webster ]

Placodermal

a. (Paleon.) Of or pertaining to the placoderms; like the placoderms. [ 1913 Webster ]

Placodermata

‖n. pl. [ NL. ] (Paleon.) Same as Placodermi. [ 1913 Webster ]

Placodermi

‖n. pl. [ NL., fr. Gr. pla`x, plako`s, a tablet + de`rma 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. [ 1913 Webster ]

  EDICT JP-EN Dictionary 
板皮魚類
[ばんぴぎょるい, banpigyorui] (n) placoderms (extinct fishes of class Placodermi)
板皮類
[ばんぴるい, banpirui] (n) placoderms (extinct fishes of class Placodermi)
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