'class Ginkgophytina' definitions:
Definition of 'class Ginkgophytina'
From: WordNet
noun
Ginkgos: in some systems classified as a class and in others as a subdivision; used in some classifications for one of five subdivisions of Gymnospermophyta [syn: Ginkgopsida, class Ginkgopsida, Ginkgophytina, class Ginkgophytina, subdivision Ginkgophytina, subdivision Ginkgophyta]