Fig 6 in New material of the trechnotherian mammal Lactodens from the Early Cretaceous Jehol Biota: Comparison with Origolestes and implications for mammal evolution

Fig 6. Comparison of the mandibular morphologies of Origolestes and Lactodens. A. Lactodens sheni Han and Meng, 2016 (holotype, HG-M016) from Aptian, Lower Cretaceous Jiufotang Formation of Shangheshou area, Caoyang City, Liaoning Province, China; posterior portion of the right mandible in buccal (A1) and lingual (A2) views. B. Origolestes lii Mao, Hu, Li, Wang, Chase, Smith, and Meng, 2020 (IVPP V13604) from Lower Cretaceous Lujiatun beds of the Yixian Formation of the Lujiatun locality, Beipiao County, Liaoning Province, China; right mandible in buccal (B1) and lingual (B2) views. The mandible in B was slightly displaced at the crack (marked with the arrow) and has been digitally restored (see Mao et al. 2020).