Class Demospongiae
Class Demospongiae (4+ Subclasses, 17+ Orders, 3+ Suborders, 75+ Families, 289+ Genera, 1591+ Species)
- Subclass Homoscleromorpha (1+ Orders, 1+ Families, 6+ Genera, 17+ Species)
- Subclass Tetractinomorpha (5+ Orders, 22+ Families, 89+ Genera, 372+ Species)
- Order Astrophorida (6+ Families, 31+ Genera, 148+ Species)
- Order Lithistida (4+ Families, 8+ Genera, 13+ Species)
- Order Spirophorida (1+ Families, 5+ Genera, 21+ speices)
- Order Hadromerida (10+ Families, 41+Genera, 186+ Species)
- Order Chondrosida (1+ Families, 4+ Genera, 4+ Species)
- Subclass Ceractinomorpha (7+ Orders, 3+ Suborders, 37+ Families, 150+ Genera, 1103+ Species)
- Order Halichondrida (6+ Families, 36+ Genera, 183+ Species)
- Order Poecilosclerida (3+ suborders, 19+ Families, 75+ Genera, 640+ Species)
- Order Haplosclerida (5+ Families, 17+ Genera, 181+ Species)
- Order Dictyoceratida (3+ Families, 10+ Genera, 52+ Species)
- Order Dendroceratida (2+ Families, 9+ Genera, 41+ Species)
- Order Halisarcida (1+ Families, 2+ Genera, 5+ Species)
- Order Verongida (1+ Families, 1+ Genera, 5+ Species)
- Subclass Calcispongiae (22+ Families, 40+ Genera, 96+ Genera)
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