Introduction to the vertebrates and their classification, including the Hyperoartia, or lampreys, a...
Overview of the taxonomy of Phylum Chordata, which includes the well-known vertebrates (fishes, amp...
Illustrated description of these three phyla, and the three classes within Urochordata. Also inform...
The Database includes almost 3500 vertebrate species, taxonomic information, English, Portuguese an...
Includes photographs and information on a wide range of mammals and reptiles from Canada, the Unite...
Philippe Janvier's article about this clade which differs from all other vertebrates in having a ve...
What makes a vertebrate a vertebrate? They have more in common than a backbone. Find out more from ...
Brief introduction to the chordates, defined as organisms that possess a structure called a notocho...