Classification of Birds | Class Aves
In this article we will discuss about the classification of birds. 1. Subclass Archaeornithes [Gk. Archios = ancient + ornithos = bird] [1 species, Jurassic, Bavaria]: i) This subclass includes most primitive, fossil birds of Jurassic period and are known from Germany. ii) Wings had primitive feathers. iii) Tail feathers were arranged in a row along each side of a [...]