FYI, your rendering of Hallucigenia is now generally regarded as being upside-down. Further research suggests the spiky "legs" were actually spikes on the back, and the squiggly bits were the creature's legs.
Stephen Jay Gould wrote about it a few years back: http://www.stephenjaygould.org/library/gould_reversal-hallucigenia.html
Stephen Jay Gould wrote about it a few years back: http://www.stephenjaygould.org/library/gould_reversal-hallucigenia.html