(n)tall Paleozoic trees superficially resembling modern screw pines; structurally intermediate in some ways between cycads and conifers, Syn.genus Cordaites
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
n. a genus of tall Paleozoic trees superficially resembling modern screw pines; they were structurally intermediate in some ways between cycads and conifers. Syn. -- genus Cordaites. [ WordNet 1.5 ]