Castorocauda
Nov. 25, 2024
Castorocauda | Primitive, Jurassic, Aquatic | Britannica BBC Science Focus Magazine - Castorocauda Size: 500-800 grams, 43-50 centimetres long Origin: Inner Mongolia, Middle-Late Jurassic, around 166-157 million years ago Facts: Adapted for life in the water, this early mammal castorocauda – Nix Illustration Castorocauda