gnetophytina(n = noun.plant) class gnetopsida, gnetophyta, gnetopsida, subdivision gnetophytina - gymnospermous flowering plants; supposed link between conifers and angiosperms; in some systems classified as a class (Gnetopsida) and in others as a subdivision (Gnetophytina or Gnetophyta);
is a kind of class
is a member of class gymnospermae, division gymnospermophyta, gymnospermae, gymnospermophyta