psilophyton

from The Century Dictionary.

• noun A genus of fossil plants considered by Dawson as being a connecting-link between the rhizocarps and lycopods, and so named by him in consequence of its partial resemblance to certain parasitic lycopods placed in the modern genus Psilotum.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any plant or fossil of the genus Psilophyton