Yunnanozoon
fig_6a.jpg
Yunnanozooan adalah chordata atau hemichordata dari Kambria bawah ditemukan di provinsi Yunnan, China di daerah Xiangchiang,

Referensi:
http://knowledgerush.com/kr/encyclopedia/Yunnanozoon/
Gill rays of primitive vertebrate Yunnanozoon from Early Cambrian: a first record. Frontiers of Biology in China. Ailin Chen and Diying Huang
http://www.economicexpert.com/a/Haikouella.htm

Sumber gambar :
http://palaeo-electronica.org/2000_1/fossils/fig_6a.htm

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