कशेरुकाः

येषां प्राणिनां कशेरुकं भवति ते कशेरुकाः इति उच्यन्ते ।

बाह्यसम्पर्कतन्तुः
 Tree of Life
 Tunicates and not cephalochordates are the closest living relatives of vertebrates
Vertebrate Pests chapter in United States Environmental Protection Agency and University of Florida/Institute of Food and Agricultural Sciences National Public Health Pesticide Applicator Training Manual
 The Vertebrates
 The Origin of Vertebrates Marc W. Kirschner, iBioSeminars, 2008.

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