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cordaitales

/ˌkɔːr.daɪˈteɪ.liːz/

翻译: 一种已灭绝的裸子植物目,具有高大乔木状的树干,与苏铁或更进化的植物相似,发现于宾夕法尼亚纪,可能灭绝于中生代。

1 个条目

noun

/ˌkɔːr.daɪˈteɪ.liːz/C2formalscientific
  • zh一种已灭绝的裸子植物目,具有高大乔木状的树干,与苏铁或更进化的植物相似,发现于宾夕法尼亚纪,可能灭绝于中生代。

An extinct order of plants with tall, tree-like trunks that were comparable to or more advanced than cycads, known from the Pennsylvanian period and probably extinct since the Mesozoic era.

专有名词

  1. Extinct gymnosperm orderC2formalscientific

    An extinct order of woody plants from the Pennsylvanian period, with tall trunks and strap-shaped leaves, considered ancestors of modern conifers.

    zh科达目

    • Cordaitales dominated the coal-forming forests of the Carboniferous period.
    • Fossilized Cordaitales trunks are found in many Pennsylvanian rock formations.
    • The reproductive structures of Cordaitales resemble those of early conifers.