Grantia extusarticulata (Carter, 1886) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Calcarea order Leucosolenida family Grantiidae genus Grantia species Grantia extusarticulata Name Synonyms Hypograntia extusarticulata Carter, 1886 Homonyms Grantia extusarticulata (Carter, 1886)