When the leaves and small and densely imbricated, they are generally considered to belong either to lycopodiaceæ or coniferæ; but there is so little to distinguish these families in a fossil state, that there is scarcely any means of demonstrating to which of these such genera as lycopodites, lycopodendron, juniperites, taxites, &c., and the like, actually belong.
Source: wiktionary