Webbinella concava (Williamson, 1858) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Chromista phylum Foraminifera order Polymorphinida family Polymorphinidae genus Webbinella species Webbinella concava Name Synonyms Guttulina concava (Williamson, 1858) Lingulopyrulinoides concava (Williamson, 1858) Polymorphina concava Williamson, 1858 Polymorphina lactea var. concava Williamson, 1858 Sigmomorphina concava (Williamson, 1858) Homonyms Webbinella concava (Williamson, 1858)