Definition of Order psilophytales
1. Noun. Paleozoic simple dichotomously branched plants of Europe and eastern Canada including the oldest known vascular land plants.
Generic synonyms: Plant Order
Group relationships: Division Pteridophyta, Pteridophyta
Member holonyms: Psilophyte, Family Psilophytaceae, Psilophytaceae, Family Rhyniaceae, Rhyniaceae
Order Psilophytales Pictures
Click the following link to bring up a new window with an automated collection of images related to the term: Order Psilophytales Images