Friday, 13 - 12 - 2013
A new genetic sequencing project suggests that ctenophores - rather than sponges - represent the most basal animals, challenging the idea of linear animal evolution from simple to more complex organisms.
Image from Rokas 2013. My oldest sister is a sea walnut? Science 342 (6164) p. 1327-1329. DOI: 10.1126/science.1248424
Study: Ryan et al. 2013. The genome of the ctenophore Mnemipsis leidyi and its implications for cell type evolution. Scinece 342 (6164). DOI: 10.1126/science.1242592