Burgess Shale.pdf - GEA Kring Rijnland
Burgess Shale.pdf - GEA Kring Rijnland
Burgess Shale.pdf - GEA Kring Rijnland
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• Chengjijang 525 – 520 MJG<br />
Maotianshan <strong>Shale</strong>s<br />
= Chengjiang biota<br />
• 3 Vissen gevonden! Dus Pikaia is ws niet de eerste!<br />
• Ontdekt in 1984<br />
• Maar 4 soorten trilobieten<br />
Naraoia compacta N. spinosa