Cause of Cambrian Explosion – Terrestrial or Cosmic?
“A second focus is the remarkable evolution of intelligent complexity (Cephalopods) culminating in the emergence of the Octopus…Thus the possibility that cryopreserved Squid and/or Octopus eggs, arrived in icy bolides several hundred million years ago should not be discounted (below) as that would be a parsimonious cosmic explanation for the Octopus’ sudden emergence on Earth ca. 270 million years ago.,”
We’re not saying it was Cthulhu. But it was Cthulhu.
Progress in Biophysics and Molecular Biology 136 (2018) 3e23