DianchicystisDianchicystis is an extinct genus of vetulocystid deuterostome. It was found in Jianshan, China, near Haikou, in the Cambrian Qiongzhusi Formation.EtymologyJianshan is to the locality from which the four initial specimens were collected, and "Dianchi" comes from nearby Dianchi lake.DescriptionIt is disinguished from Vetulicocystis by an anterior cone that has ribs that are not arranged in platelets, as well as a tapering "tail" with oblique striations. The posterior section has weakly developed furrows, possibly indicating segmentation.PhylogenyWorks cited*