Tag Archive: hair

Ancestral hair – Fossil Friday

Fossil of Spinolestes

Fossil remain of the Spinolestes xenarthrosus

Here is the Spinolestes xenarthrosus, or the fur ball as it has been nicknamed by the media. But it does not do it justice because this early mammal is the oldest evidence for a lot of features. While it is hard to appreciate it in this photo, it contained one of the basic elements that constitute modern mammals, hairs. Indeed, its skin and fur closely resembles modern mammals, nothing out of the extraordinary if it wasn’t for the fact that is 125 Millions of years!
There are a couple details that are interesting here about his animal. (more…)