Supplement
See all supplementsOrigin and evolution of vertebrates
Vol. 520 No. 7548 pp449-497
In this Supplement
Vertebrates have many special features — from large brains to unique tissues. But how they evolved from invertebrates is obscure. This Insight looks at the many theories to explain vertebrate origins, the fossil evidence, a new perspective on the origin of the head and a uniquely vertebrate feature called the neural crest.
Credit: Jasiek Krzysztofiak
