Onychophora: Anatomical Peculiarities, Affinities and Classification

In this article we will discuss about Onychophora:- 1. Anatomical Peculiarities of Onychophora 2. Affinities of Onychophora 3. Views regarding the Origin 4. Zoological Importance 5. Systematic Position 6. Classification 7. Fossil History.  Anatomical Peculiarities of Onychophora: A. Primitive features: 1. Onychophora are worm-like body covered with thin, flexible, chitinous cuticle. 2. Onychophora are sluggish in nature. 3. Head segments [...]