It is found in the jaw and inner ear in terrestrial species.
Dorsal nerve cord - a bunch of nerve fibres which is found along the back, it connects lateral muscles as well as organs to the brain.
Notochord - a cartilage rod running below the nerve cord, it also supports it.
Post-anal tail - It is referred to an extension past the anal opening on the body. Often found during embryonic stages.(No name,2016)
Complete digestive system
Class - Mammalia
There are around 5000 species in the class Mammalia which are then placed in 26 orders. (Wund and Myers,2005). In order to class as a mammal, they must share these three characteristics which are not found in other animals:
3 middle ear bones ( malleus, incus and stapes)
Hair
Production of milk through mammary glands which are also known as sweat glands.
The Zaglossus bruijni falls under the mammal class due to the fact they have all these components as well as spikes on the back which they use when feeling threatened and often curl up in a ball like hedgehogs (Wund and Myers,2005).
Order -