Calamites Suckow, 1784 Dataset GBIF Backbone Taxonomy Rank GENUS Classification kingdom Plantae phylum Tracheophyta class Polypodiopsida order Equisetales family Calamitaceae genus Calamites Name Homonyms Calamites Guettard, 1770 Calamites Schneider, 1799 Calamites Suckow, 1784 Calamites Sternberg, 1820