A major event in vertebrate evolution was the transition from aquatic to terrestrial life, made possible by the emergence of new structures such as limbs and the neck. In an article published ...

Animals are divided into two main groups: Animals with a backbone are called vertebrates. Animals without a backbone are called invertebrates. Vertebrates and invertebrates can be sorted into ...

The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with backbones ...

The Fossil Vertebrate and Ichnofossil Collection in the University of Colorado Museum of Natural History has focused on the Paleogene fossil record of the Rocky Mountain region, but our collections ...

Vertebrates are thought to have emerged during the Cambrian explosion around 520 million years ago, but the point in time at which these animals branched away from the phylum of chordata, which lack ...

Research in our group investigates a number of questions central to understanding animal evolution and development ... impressive morphological diversity of organs and tissues across vertebrates ?