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科达目

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科达目
化石时期:宾夕法尼亚纪至三叠纪
Cordaites lungatus
科学分类 编辑
界: 植物界 Plantae
演化支 维管植物 Tracheophyta
门: 松柏门 Pinophyta
纲: 松柏纲 Pinopsida
目: 科达目 Cordaitales
  • †科达科 Cordaitaceae

科达目(Cordaitales)是一目灭绝的木本植物,可能是早期的针叶树,也可能是其他针叶树银杏苏铁的祖先。 它们具有像现代针叶树那样的锥状生殖结构。 科达目在石炭纪时期出现,并形成了大型树木,它们的数量在干燥的地面上和热带环境中似乎特别丰富。 此外,一些高大的科达目树木,以及灌木状和红树林状的科达目植物似乎在石炭纪煤炭沼泽中生长。 在二叠纪期间,科达目也很丰富,但在三叠纪期间它们变得不那么重要,并在三叠纪灭绝事件期间消失。 许多科达目植物长有细长的带状叶子,类似于南洋杉科和罗汉松科的一些现代针叶树。 来自石炭纪的常见属包括Mesoxylon科达属,其他属是NoeggerathiopsisSumaropsis

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科达目
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