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Polyphyletic taxon:
Class †"
Sphinctozoa
"
Steinmann, 1882
- chambered sponges
(sponge)
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Entity:
Porifera (Phylum) - sponges
..†Amorphofungia (Genus)
..†Archaeocyatha (Class)
..[†Archaeocyatha] (Subphylum)
..[†archaeocyathids]
..[Calcarea]
..Calcarea (Class) - calcareous sponges
..[Calcispongiae] (Class)
..[Calcispongiae]
..[Calcispongiae] (Subphylum)
..[Cellularia] (Subphylum)
..[Cellulophana] (Genus)
..†Cribricyatha (Class)
..†Cribroscyphia (Genus)
..†Cupulochonia (Genus)
..[Demospongea] (Class)
..[Demospongia] (Class)
..[Desmospongiae] (Class)
..†Discaelia (Genus)
..†Dischonia (Genus)
..†Discoelia (Genus)
..†Drosdovia (Genus)
..†Eocoryne (Genus)
..†Etallonia (Genus)
..[Fibrospongiae] (Class)
..†Heteractinida (Class)
..[Hexactinellida] (Subphylum)
..[Hexaxtinellida] (Class)
..[Homoscleromorpha] (Clade)
..Homoscleromorpha (Class)
..[Homoscleromorpha] (Subclass)
..[Hyalospongiae] (Subphylum)
..†Monotheles (Genus)
..[Myxospongiae] (Class)
..†Peridonella (Genus)
..Placodictyum (Genus)
..†Polyactinellidae (Family)
..†Porosmilia (Genus)
..†Porostoma (Genus)
..†Radiocyatha (Class)
..†Receptaculitidae (Family)
..[Sclerospongea] (Class)
..[Sclerospongiae] (Class)
..[Silicea] - siliceous sponges
..Silicispongia
..†Siphoneudea (Genus)
..†Sparsispongia (Genus)
..[sphinctozoans]
..†Spongodiscus (Genus)
..†Steneudea (Genus)
..†Stenocoelia (Genus)
..†Stromatidiidae (Family)
..[Symplasia] (Subphylum)
..[Symplasma] (Subphylum)
..†Tadassiidae (Family)
..†Thectardis (Genus) - triangles
..[†Sphinctozoa] (Class) - chambered sponges
....[Group 1]
....[†Group 2]
....[†Group 3]
....[†Group 4]
....»[†Inaecoelida] (Order)
....ȠMuellerithalamia (Genus)
....ȠNuchidae (Family)
....ȠSphaerocoeliidae (Family)
No data available.
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Last updated:
21 Sep 2025