Trionyx Oken, 1816 Dataset GBIF Backbone Taxonomy Rank GENUS Published in Lehrb. Nat., 3 (2), 1097. Classification kingdom Animalia phylum Chordata class Mammalia genus Trionyx Name Homonyms Trionyx Saint-Hilaire, 1809 Trionyx Haliday, 1833 Trionyx Geoffroy, 1809