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Chordata: Definition from Answers.com.
Vertebrata craniata (First fascile: cyclostomes and fishes)
The Vertebrates - RCN CorporationCraniata - Tree of Life Web Project
Agnatha - Wikipedia, the free encyclopedia
Craniate - Wikipedia, the free.
Get information, facts, and pictures about Chordata at Encyclopedia.com. Make research projects and school reports about Chordata easy with credible articles from our
Characteristics. The Craniata are characterized by a skull (initially cartilaginous and fibrous), which includes three types of sensory organs derived in ontogeny
INTRODUCTION TO VERTEBRATE NATURAL HISTORY
Vertebrata - Tree of Life Web Project
Vertebrata craniata (First fascile: cyclostomes and fishes)
Craniata (sometimes Craniota) is a proposed clade of chordate animals that contains the Myxini (hagfish), Petromyzontida (including lampreys), and Gnathostomata
Any animal of the subphylum Vertebrata, the predominant subphylum of the phylum Chordata. They have backbones, from which they derive their name. The vertebrates are
Agnatha (Greek, "no jaws") is a superclass of jawless fish in the phylum Chordata, subphylum Vertebrata. The group excludes all vertebrates with jaws, known as
Interrelationships of the fossil and Recent Vertebrata. (All terminal taxa are clades, except for the Thelodonti, which are possibly paraphyletic - see Thelodonti page).