Haikouella

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1	Trunk ornament on the palaeoscolecid worms Cricocosmia and Tabelliscolex from the Early Cambrian Chengjiang deposits of China Add to Reading List Source URL: www.app.pan.pl Language: English - Date: 2007-06-11 04:57:32 Burgess Shale fossils Sclerite Microdictyon Maotianshan Shales Incertae sedis Halkieria Haikouella Chengjiang County Vetulicolia Paleozoic Phanerozoic Geologic time scale
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