# toothless mammal with keratin scales

The origin of hair: The evolution of the trichocyte » The researchers trace the origin and evolution of the hair follicle, which may predate the evolution of mammals. Researchoutreach.org

About Pangolins - Save Pangolins » What is a pangolin? Pangolins are insect-eating mammals covered in overlapping scales. Find out what are pangolins? Savepangolins.org

Loss of teeth and enamel in tetrapods: fossil record, genetic data and morphological adaptations » Since their recruitment in the oral cavity, approximately 450 million years ago, teeth have been subjected to strong selective constraints due to the crucial role that they play in species survival. It is therefore quite surprising that the ability to… Ncbi.nlm.nih.gov

Pangolins are the most illegally traded animal in the world - UPI.com » There are eight species of pangolin, and all eight are threatened by extinction, as they continue to be poached to death in Africa and Asia. Upi.com

How the pangolin got its scales – a genetic just-so story » Everyone loves animal oddities. Darwin and Lamarck pondered the advantages of the giraffe's long legs and neck, while a few decades later Rudyard Kipling explained how the leopard got its spots. Today genome sequencing is fleshing out what we thought we knew about some distinctive animal adaptations, from the giraffe to the leopard. Phys.org