Yunnanozoon

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1	Fossielen versimpeld door verrotting Sterrenstof yunnanozoon Add to Reading List Source URL: tsjok45.files.wordpress.com Language: Dutch - Date: 2013-10-06 15:33:00
2	PDF Document Add to Reading List Source URL: www.fredheeren.com - Date: 2013-03-29 15:44:58 Chordates Haikouella Pikaia Cambrian explosion Craniata Notochord Yunnanozoon Burgess Shale type fauna Stephen Jay Gould Biology Phanerozoic Taxonomy