File:Yanoconodon BW.jpg

Summary
Yanoconodon allini, a primitive mammal from the Early Cretaceous of China, pencil drawing.Ref: Luo, Z., Chen, P., Li, G., & Chen, M. (2007-03). "A new eutriconodont mammal and evolutionary development in early mammals". Nature 446: 288-293. DOI:doi:10.1038/nature05627.