Keratella quadrata f. valgoides Edmonson & Hutchinson, 1934 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Animalia phylum Rotifera class Eurotatoria order Ploima family Brachionidae genus Keratella species Keratella quadrata Name Homonyms Keratella quadrata f. valgoides Edmonson & Hutchinson, 1934