psilophytales

• 已灭绝的原始维管植物分类目，具二叉分枝，生存于古生代，发现于欧洲和加拿大东部，是最早的已知陆生植物之一。

A taxonomic order of extinct, simple, dichotomously branched vascular plants from the Paleozoic era, found in Europe and eastern Canada, representing some of the oldest known land plants.

不可数 · 专有名词

1. Extinct order of early land plantsC2formalscientific

   An order of extinct, simple, dichotomously branched vascular plants from the Paleozoic era, known from fossils in Europe and eastern Canada, representing some of the earliest known land plants.

   早期陆生植物已灭绝目

   • Fossils of Psilophytales provide crucial evidence for the evolution of vascular plants.
   • The simple structure of Psilophytales suggests they were among the first plants to colonize land.
   • Researchers study Psilophytales to understand the transition from aquatic to terrestrial plant life.