• Vertebrate | Define Vertebrate at Dictionary.com

      dictionary.reference.com/browse/vertebrate Some 28 percent of the vertebrate species red-listed by the International Union for Conservation of Nature live there.
    • vertebrate | animal | Britannica.com

      www.britannica.com/animal/vertebrate Vertebrate, also called Craniata, any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they ...
    • Biology4Kids.com: Vertebrates

      www.biology4kids.com/files/vert_main.html Vertebrate Basics Vertebrates are the most advanced organisms on Earth. The traits that make all of the animals in this section special are their spinal cords ...