Vertebrato

De Wikipedia, le encyclopedia libere
Saltar a: navigation, cercar
Vertebrata
Classification scientific
Dominio:Eukarya
Regno:Animalia
Phylo:Chordata
Subphylo: Vertebrata
Superclasses
Agnatos (lampreas)
Gnatostomatos
Classes
Petromyzontida (lampreas)

Placodermi - Extincte
Acanthodii - Ext.
Actinistia (Celacantos)
Actinopterygii (Pisces)
Chondrichthyes (Squalos)
Dipnoi (Pisces con pulmones)
Amphibia (Amphibios)
Reptilia (Reptiles)
Aves
Mammalia


Characteristicas[modificar | modificar fonte]

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[modificar | modificar fonte]

Arbore philogenetic[modificar | modificar fonte]

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