Tag: Embryos

October 2, 2012

Dawn of the Deed, Part 1: Down and Dirty in the Devonian

In Part I of a series, author John Long describes his passion for placoderms – and his sudden discovery of live birth in these ancient fish.The story of unraveling placoderm reproduction begins with a 380-million-year-old fossil from the Gogo site, Western Australia, that yielded the oldest evidence of live birth in vertebrates.