User:Abyssal/Portal:Cambrian/DYK/2
Appearance
![Fossil of the trilobite Kendallina](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3e/Kendallina_sp_CRF.jpg/93px-Kendallina_sp_CRF.jpg)
- ... that Kendallina, a genus of trilobite, lived in North America during the Upper Cambrian?
- ... that species of the Cambrian bivalve Tuarangia lived near the continents of Baltica and East Gondwana?
- ... that a revolution in burrowing marks the base of the Cambrian period, and is followed by the Cambrian explosion of animal diversity?
- ... that the discovery of 189 fossils of the mid-Cambrian Odontogriphus thrust it into the centre of a heated debate about the evolution of molluscs, annelids and brachiopods?
- ... that August 2009 heralded the 100th anniversary of the discovery of the main Burgess Shale locality?