Thalassia testudinum Banks & Sol. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Alismatales family Hydrocharitaceae genus Thalassia species Thalassia testudinum Name Homonyms Thalassia testudinum Banks & Sol. ex K.D.Koenig Thalassia testudinum Banks & Sol. Thalassia testudinum Banks & Sol. ex J.Koenig, 1805