''Beidazoon venustum'' is a

deuterostome Deuterostomia (; in Greek) are animals typically characterized by their anus forming before their mouth during embryonic development. The group's sister clade is Protostomia, animals whose digestive tract development is more varied. Some exampl ...

from the

group Vetulicolia. It originates from the lower Cambrian Chengjiang biota of Yunnan Province, China. ''Beidazoon'' was a marine organism discovered by Degan Shu in 2005. The ''Beidazoon venustus'' had a hard outer shell similar to the ''

Vetulicola ''Vetulicola'' is an extinct genus of marine animal from the Cambrian of China. It is the eponymous member of the enigmatic phylum Vetulicolia, which is of uncertain affinities but may belong to the deuterostomes. Description The type species ...

''. ''Beidazoon'' had a single band mouth. Its tail is asymmetrical and composed of a hard shell extending from the upper posterior, an axial lobe of seven segments, and a ventral lobe with four or five segments. Shu suggests that the ''Beidazoon's'' shell was "beautifully ornamented with numerous nodes".

References

{{Taxonbar, from=Q85746366 Vetulicolia