Dianchicystis
| Dianchicystis Temporal range:  Early Cambrian | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Superphylum: | Deuterostomia | 
| Clade: | †Vetulocystida | 
| Family: | †Vetulocystidae | 
| Genus: | †Dianchicystis Shu et al., 2004 | 
| Type species | |
| †Dianchicystis jianshanensis Shu et al., 2004 | |
Dianchicystis is an extinct genus of vetulocystid deuterostome. It was found in Jianshan, China, near Haikou, in the Cambrian Qiongzhusi Formation.