Representative upper and lower molars of Cretaceous and early Paleogene metatherians. Scale bars equal 1 mm.

 
 
  Part of: Williamson TE, Brusatte SL, Wilson GP (2014) The origin and early evolution of metatherian mammals: the Cretaceous record. ZooKeys 465: 1-76. https://doi.org/10.3897/zookeys.465.8178