1947, it was believed that the Cambrian Explosion marked the first true abundance of multicellular life. However, this was discovered to be untrue after Sir Douglas Mawson and R.C. Sprigg mistakenly came across numerous "fossil jellyfish" in the Ediacara Hills while observing what was originally believed to be sandstones belonging to the lowest strata of the Cambrian. At first, these finding were dismissed as "fortuitous inorganic markings."(AAS Biographical Memoirs.) Several years later however
Walcott to make his first discovery of a common Burgess Shale fossil known as Marella. At the time he did not realise the ... ... middle of paper ... .... (2011). A New Arthropod Jugatacaris agilis n. gen. n. sp. from the Early Cambrian Chengjiang Biota, South China. Journal of Paleonotology, 85(3), 567-586. doi:10.1666/09-173.1 Gould, S. J. (1989). Wonderful life: The burgess shale and the nature of history. New York, USA: W.W Norton& Company Inc. Han, J., Zhang, Z. F., & Liu, J. N. (2008). A preliminary