Ajacicyathida
| Ajacicyathida Temporal range:  
 | |
|---|---|
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Porifera | 
| Clade: | †Archaeocyatha | 
| Order: | † Bedford and Bedford 1939  | 
| Suborders[1] | |
  | |
Ajacicyathida is a prehistoric order of sponges in the class Archaeocyatha. It was described in 1939, and is known from the Early Cambrian.[1]
Taxonomy
In addition to the suborders Ajacicyathina, Dokidocyathina, and Erismacoscinina, the following genera are placed incertae sedis within Ajacicyathida:[1]
- †Botocyathus
 - †Kidjasocyathus Rozanov 1960
 - †Procyathellus
 - †Ptretiosocyathus Rozanov 1966
 - †Stephanicyathus Voronova et al. 1987
 
References
- ^ a b c Ajacicyathida in the Paleobiology Database