Hydrochus angustatus angustatus Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Arthropoda class Insecta order Coleoptera family Hydrochidae genus Hydrochus species Hydrochus angustatus Name Synonyms Hydrochoüs rugiceps Rey, 1885 Hydrochoüs salinus Rey, 1885 Hydrochoüs sculptus Rey, 1885 Hydrochus rugiceps Rey, 1886 Hydrochus salinus Rey, 1886 Hydrochus sculptus Rey, 1886 Hydrochus subcyanescens Gozis, 1919 Homonyms Hydrochus angustatus angustatus