Hydrogamasus antarticus Trägårdh, 1907 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Arthropoda class Arachnida order Mesostigmata family Ologamasidae genus Hydrogamasellus species Hydrogamasellus antarticus Name Homonyms Hydrogamasus antarticus Trägårdh, 1907