Checklist for HEXACTINELLIDA Schmidt, 1870
Kingdom ANIMALIA
Animals
Phylum PORIFERA Grant, 1836
Sponges
Class CALCAREA Bowerbank, 1864
Class HEXACTINELLIDA Schmidt, 1870
Subclass AMPHIDISCOPHORA Schulze, 1886
Subclass HEXASTEROPHORA Schulze, 1886
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