Catenella opuntia (Gooden. & Woodw.) Grev. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Rhodophyta class Florideophyceae order Gigartinales family Caulacanthaceae genus Catenella species Catenella caespitosa Name Homonyms Catenella opuntia (Gooden. & Woodw.) Grev.