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phragmocone

/ˈfræɡ.mə.kəʊn/

翻译: 指箭石类动物外壳内部的圆锥形分隔壳室结构,由一系列隔壁分隔而成,可直可弯。

1 个条目

noun

/ˈfræɡ.mə.kəʊn/C2formalscientific
  • zh指箭石类动物外壳内部的圆锥形分隔壳室结构,由一系列隔壁分隔而成,可直可弯。

A scientific term referring to the thin, conical, chambered internal shell of a belemnite, which may be either straight or curved in form.

  1. C2formalscientific

    The thin, conical, chambered internal shell of a belemnite, which can be either straight or curved.

    zh闭锥

    • The fossilized phragmocone was carefully extracted from the limestone.
    • Paleontologists study the phragmocone to understand belemnite anatomy.
    • The chambers of the phragmocone are clearly visible in this specimen.