Yunnanozoon

Yunnanozoon; Temporal range: Terreneuvian,
	Fossil of Yunnanozoon lividum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Family:	†Yunnanozoonidae; Dzik, 1995
Genus:	†Yunnanozoon; Hou, Ramskold & Bergstrom, 1991
Species:	†Y. lividum
Binomial name
	†Yunnanozoon lividum; Hou, Ramskold & Bergstrom, 1991
Synonyms
	Haikouella Chen, Huang & Li, 1999;

Yunnanozoon lividum (Yunnan + Greek ζῷον zôion (animal), with species name Latin lividum; (lead-coloured), referring to preserved colour of specimens^[1]) is an extinct species of bilaterian animal from the Lower Cambrian Chengjiang biota of Yunnan province, China. Its affinities have been long the subject of controversy.

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[1]

Yunnanozoon Temporal range: Terreneuvian,

Fossil of Yunnanozoon lividum
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Family:	†Yunnanozoonidae Dzik, 1995
Genus:	†Yunnanozoon Hou, Ramskold & Bergstrom, 1991
Species:	†Y. lividum
Binomial name
†Yunnanozoon lividum Hou, Ramskold & Bergstrom, 1991
Synonyms
Haikouella Chen, Huang & Li, 1999