कशेरुकाः

विकिपीडिया, कश्चन स्वतन्त्रः विश्वकोशः
Vertebrates
Individual organisms from each major vertebrate group. Clockwise, starting from top left: Fire Salamander, Saltwater Crocodile, Southern Cassowary, Black-and-rufous Giant Elephant Shrew, Ocean Sunfish
Individual organisms from each major vertebrate group. Clockwise, starting from top left: Fire Salamander, Saltwater Crocodile, Southern Cassowary, Black-and-rufous Giant Elephant Shrew, Ocean Sunfish
जैविकवर्गीकरणम्
उपविभागीयस्तरः

येषां प्राणिनां कशेरुकं भवति ते कशेरुकाः इति उच्यन्ते ।

बाह्यसम्पर्कतन्तुः[सम्पादयतु]

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