1. fossil arborescent plants arising during the early Devonian and conspicuous throughout the Carboniferous; [syn: Lepidodendrales, order Lepidodendrales]
WordNet (r) 3.0 (2006):
order Lepidodendrales
n 1: fossil arborescent plants arising during the early Devonian
and conspicuous throughout the Carboniferous [syn:
Lepidodendrales, order Lepidodendrales]