Lyssacinosida
Animalia | Porifera | Hexactinellida | Hexactinosida | Lyssacinosida
Lyssacinosida
Biota | Animalia | Porifera | Hexactinellida | Hexasterophora | Lyssacinosida
|  | Grant, 1836 | Schmidt, 1870 | Schulze, 1886 | Zittel, 1877