placoderm

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英 ['plækədɜ:m]
美 ['plækəˌdərm]
是什么意思
  • n.

    盾皮鱼;

  • 英英释义

    placoderm[ 'plækədə:m ]

    • n.fishlike vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
    学习怎么用

    权威例句

    Placoderm anatomy and phylogeny: new insights
    The relationships of placoderm fishes
    Placoderm fishes, pharyngeal denticles, and the vertebrate dentition.
    A Silurian placoderm with osteichthyan-like marginal jaw bones
    A primitive placoderm sheds light on the origin of the jawed vertebrate face
    A new Early Devonian placoderm from New South Wales, Australia, with a discussion of placoderm phylogeny
    A new Early Devonian placoderm from New South Wales, Australia, with a discussion of placoderm phylogeny
    New Early Devonian brachythoracids (placoderm fishes) from the Taemas - Wee Jasper region of New South Wales
    The Holonematidae (Placoderm Fishes), A Review Based on New Specimens of Holonema from the Upper Devonian of Western Australia
    IX.—The Placoderm Fish Coccosteus cuspidatus Miller ex Agassiz from the Middle Old Red Sandstone of Scotland. Part I. Descriptive M...
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