Acanthascus unguiculatus (Ijima, 1904) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Porifera class Hexactinellida order Lyssacinosida family Rossellidae genus Acanthascus species Acanthascus unguiculatus Name Synonyms Rhabdocalyptus unguiculatus Ijima, 1904 Homonyms Acanthascus unguiculatus (Ijima, 1904)