subdivision pinophytina

from WordNet (r) 3.0 (2006)
subdivision Pinophytina
    n 1: most conifers: in some systems classified as a class
         (Pinopsida) and in others as a subdivision (Pinophytina);
         used in some classifications for one of five subdivisions
         of Gymnospermophyta [syn: {Pinopsida}, {class Pinopsida},
         {Pinophytina}, {subdivision Pinophytina}]
    

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