Segmentorbis excavatus Mandahl-Barth, 1968 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Planorbidae genus Segmentorbis species Segmentorbis excavatus Name Synonyms Segmentina kempi Pilsbry & Bequaert, 1927 Homonyms Segmentorbis excavatus Mandahl-Barth, 1968