Omeisaurus changshouensis (Young, 1958) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata family Euhelopodidae genus Omeisaurus species Omeisaurus changshouensis Name Synonyms Mamenchisaurus changshouensis (Young, 1958) Homonyms Omeisaurus changshouensis (Young, 1958)