subdivision ginkgophytina

subdivision Ginkgophytina
    n 1: 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}]