- Gnetopsida, class Gnetopsida, Gnetophytina, subdivision Gnetophytina, Gnetophyta - 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)
--1 is a kind of class
--1 is a member of
--1 has members: Gnetales, order GnetalesGymnospermae, class Gymnospermae, Gymnospermophyta, division Gymnospermophyta