| Phaeocystida | |
|---|---|
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| Auloceros spp. (Aulacanthidae) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Supergroup: | Rhizaria |
| Phylum: | Cercozoa |
| Subphylum: | Filosa |
| Class: | Thecofilosea |
| Subclass: | Phaeodaria |
| Order: | Phaeocystida Haeckel, 1887 |
| Families | |
Phaeocystida, also known as Phaeocystina, is a group of cercozoans in the class Phaeodarea. It was first described by Ernst Haeckel in 1887 and treated traditionally as a suborder, but later was raised to order level until Cavalier-Smith's classification lowered it again to suborder level. It belongs to the order Eodarida, characterised by simpler silica skeletons or a lack thereof.
