Bullivetula variola Aldridge et al., 2007 Beidazoon venustum is a marine deuterostome from the group Vetulicolia.

It originates from the lower Cambrian Chengjiang biota of Yunnan Province, China, and was discovered in 2005.

[2] Beidazoon venustum had a hard outer shell similar to Vetulicola, with a single band mouth.

[3] According to its discoverer, Beidazoon's shell was "beautifully ornamented with numerous nodes".

[4] The family Beidazoonidae was erected to house Beidazoon at the time of its discovery.