Rannung pawl hi zangruh nei phunhnam le zangruh neilo phunhnam (backbone) tiin phun (2) in tthen theih an si. Rannung zate 3 - 30 million a ummi sung ihsin zangruh nei rannung hi 97% an si. Curuangah zangruh neilo rannung hi 3% lawng a si.I. Zangruh neilo rannung phunhnam pawl (97%)
Sponges: 10,000 species (Tipi thuanthum tawne ih um)
Cnidarians: 8,000-9,000 species (Ti pi thunthum sung um)
Molluscs: 100,000 species (Kharkhem, cengkol phunhnam)
Platyhelminths: 13,000 species (Ruh neilo ti sung um phunhnam)
Nematodes: 20,000+ species (Khukrul, hnget phunhnam)
Echinoderms: 6,000 species(Ke tampi nei tipisung um phunhnam)
Annelida: 12,000 species (Cangcel le paangan phunhnam)
Ruh nei nain Zaangruh neilo Rannung pawl
Crustaceans: 40,000 species (Cangai le Kaikuang phunhnam)
Insects: 1-30 million+ species (Kutke tampi nei hrik phunhnam)
Arachnids: 75,500 species (Maimom le hrik phunhnam)
II. Zangruh nei rannung phunhnam pawl (3%)
Reptiles: 7,984 species (Laikiing vek bokvak phunhnam)
Amphibians: 5,400 species (Butlak vek phunhnam)
Birds: 9,000-10,000 species (Vate phunhnam)
Mammals: 4,475-5,000 species (Ramsa tum keli nei phunhnam)
Ray-Finned Fishes: 23,500 species (Nga phunhnam)
Kum 2015 tiangah leitlun mipum umzat zummi cu 7.325 billion a si.
-About.com (SD News: June 7, 2015)
Amos Uk Mangbk
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