Characteristicas

Nomine scientific: vertebrata, "que ha vertebras."

Subtypo de animales chordate de symmetria bilateral, proviste de un cranio que protege le cerebro, e skeleto cartilaginose o ossee, que comprende un parte axial del columna vertebral. Possede circa 50000 species, le major parte intra le gruppo del pisces.

Inter le gnatostomados se trova le classes de vertebratos, i.e. Mammales (Mammalia), Aves, Reptiles (Reptilia), Amphibios (Amphibia) e pisces.

Taxonomia

• Superclasse Agnatha
  • Classe Petromyzontida
  • Classe Mixinoidea
• Superclasse Gnathostomata
  • Gruppo Pisces con osso
    • Classe Dipnoi (pisces pulmonate)
    • Classe Actinopterygii
  • Gruppo Pisces cartilaginose
    • Classe Chondrichthyes (Squalos e altere pisces cartilaginose)
  • Gruppo Tetrpodos
    • Classe Mammalia
    • Classe Aves
    • Classe Reptilia
    • Classe Amphibia

Arbore philogenetic

,_______________________________________________ Mixinoideos Mixinoidea | | ,_____________________________________ Ostracodermos Ostracodermi (+) ___| ,____| | | |_____________________________________ Petromizontiformes Petromyzontiformes | | | | ,_____________________________________ Conodontes (+) |____| | | | ,___________________________ Placodermos Placodermi (+) |____| ,____| | | |___________________________ Condrictios | | |____| ,___________________________ Acantodios Acanthodii (+) | | | | ,______________________ Actinopterigios Actinopterygii |____| | | | ,_________________ Dipnoos Dipnoi |____| | | |_________________ Actinistios Actinistia | | |____|_________________ Porolepiformes (+) | | ,____________ Osteolepiformes (+) | | |____| ,_______ Panderictidos (+) | | |____| ,__ Ichthyostega (+) |____| |__ Tetrapodos Tetrapoda

Biologia

Vertebrat | Obratlovci | Fertebrat | Hvirveldyr | Wirbeltiere | Vertebrate | Vertebrulo | Vertebrado | Selkärankaiset | Vertébré | Wringedier | בעלי חוליות | Vertebrata | Vertebrata | 脊椎動物 | 척추동물 | Vertebrata | Gewèrvelde diere | Stuburiniai | Vertebrata | Gewervelden | Virveldyr | Vertebrata | Kręgowce | Vertebrata | Позвоночные | Vertebrate | Stavovce | Vretenčarji | Кичмењаци | Ryggradsdjur | สัตว์มีกระดูกสันหลัง | 脊椎动物