Dioon tomasellii DeLuca et al. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Cycadopsida order Cycadales family Zamiaceae genus Dioon species Dioon tomasellii Name Homonyms Dioon tomasellii De Luca, Sabato & Vázq.Torres Dioon tomasellii DeLuca et al.