Mammillaria cataphracta Mart. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Mammillaria species Mammillaria polythele Name Homonyms Mammillaria cataphracta Mart. ex Pfeiff. Mammillaria cataphracta Mart.