The planktonic organism <em>Oikopleura dioica</em>, an animal model in the study of evolution and embryonic development in our phylum (chordates), has lost most of ...

A new study led by researchers of the University of Barcelona and the Biodiversity Research Institute (IRBio), published in the journal Molecular Biology and Evolution, proves once more that evolution ...

Amphioxus, as a basal chordate, offers an insightful window into the evolutionary origins of vertebrate development. Its embryogenesis, characterised by the formation of a notochord, neural tube and ...

Life began on earth more than 3.5 billion years ago, but the history of humans and other vertebrates accounts for only a fraction of this timescale. Chordates (a group that includes vertebrates) and ...