I’m hoping that the symbolism here will be fairly obvious to most readers. If not, there’s only a bit of shame in asking in the comments!
Walcott delves into a little bit of Biostratigraphy.
Simon actually did write a book about this, although it would be wrong to portray SC Morris’ Crucible of Creation (which I’ve mentioned a few times before) as nothing but a Gould bashing session. Click here for a good webpage about the substance of the disagreements between Stephen J Gould and Simon Conway Morris.
Gould’s Shenanigans back at the Burgess Shale bring Walcott’s epic journey of discover (and mishap) to an end.