Hemigrammus ulreyi Dataset NCBI Taxonomy Rank SPECIES Classification kingdom Metazoa phylum Chordata class Actinopteri order Characiformes family Characidae genus Hemigrammus species Hemigrammus ulreyi Name Synonyms Hemigrammus ulreyi (Boulenger, 1895) Tetragonopterus ulreyi Tetragonopterus ulreyi Boulenger, 1895 Homonyms Hemigrammus ulreyi Hemigrammus ulreyi (Boulenger, 1895)