Nervous systems and scenarios for the invertebrate-to-vertebrate transition.

@article{Holland2016NervousSA,
  title={Nervous systems and scenarios for the invertebrate-to-vertebrate transition.},
  author={Nicholas D. Holland},
  journal={Philosophical transactions of the Royal Society of London. Series B, Biological sciences},
  year={2016},
  volume={371 1685},
  pages={20150047}
}
Older evolutionary scenarios for the origin of vertebrates often gave nervous systems top billing in accordance with the notion that a big-brained Homo sapiens crowned a tree of life shaped mainly by progressive evolution. Now, however, tree thinking positions all extant organisms equidistant from the tree's root, and molecular phylogenies indicate that… CONTINUE READING