News

Primitive fish could nod but not shake its head

Ancient fossils reveal surprises about early vertebrate necks, abdominal muscles

By
2:20pm, June 13, 2013

Ancient fish fossils with preserved muscle tissue offer a glimpse at how necks evolved in early vertebrate animals. The fossils also offer a puzzle: The fish had specialized abdominal muscles found today in land animals, but not in fish, paleontologists report June 13 in Science.

This article is available only to subscribing members. Join SSP today or Log in.

More from this issue of Science News