Oolina squamosa f. scalariformis (Williamson, 1848) Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Chromista phylum Foraminifera order Polymorphinida family Ellipsolagenidae genus Pseudofavulina species Pseudofavulina scalariformis Name Homonyms Oolina squamosa f. scalariformis (Williamson, 1848) Oolina squamosa var. scalariformis (Williamson, 1848) Oolina squamosa subsp. scalariformis (Williamson, 1848)