Mauisaurus haasti (Hector, 1874) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Elasmosauridae genus Mauisaurus species Mauisaurus haasti Name Synonyms Cimoliosaurus haasti (Hector, 1874) Elasmosaurus haasti (Hector, 1874) Homonyms Mauisaurus haasti (Hector, 1874)