''Eophyllophyton bellum'' is the oldest known plant bearing

megaphyll In plant anatomy and evolution a microphyll (or lycophyll) is a type of plant leaf with one single, unbranched leaf vein. Plants with microphyll leaves occur early in the fossil record, and few such plants exist today. In the classical concept of ...

ous leaves. In 2013, Hao (one of the original taxon authors) and Xue placed the genus in a new class Eophyllophytopsida, considered to be an isolated lineage in the

euphyllophyte The euphyllophytes are a clade of plants within the tracheophytes (the vascular plants). The group may be treated as an unranked clade, a division under the name Euphyllophyta or a subdivision under the name Euphyllophytina. The euphyllophytes ar ...

References

Devonian plants Prehistoric plant genera {{devonian-plant-stub