gnathostome

• Sustantivo que designa un vertebrado que posee mandíbulas verdaderas; gran grupo que incluye peces, anfibios, reptiles, aves y mamíferos.

A noun referring to a vertebrate animal that possesses true jaws, a major group that includes fish, amphibians, reptiles, birds, and mammals.

1. Jawed vertebrateC2formalscientific

   A vertebrate animal that possesses true jaws, as opposed to jawless vertebrates like lampreys and hagfish.

   Gnatóstomo

   • Gnathostomes include fish, amphibians, reptiles, birds, and mammals.
   • The evolution of gnathostomes was a major step in vertebrate history.
   • Fossil records show early gnathostomes from the Silurian period.

   Antónimosagnathancyclostome