侏罗纪燕辽生物群贼兽类牙齿发育双出齿和异时发育的证据

毛方园, 郑晓廷, 王孝理, 王元青, 毕顺东, 孟津

Evidence of diphyodonty and heterochrony for dental development in euharamiyidan mammals from Jurassic Yanliao Biota

MAO Fang-Yuan, ZHENG Xiao-Ting, WANG Xiao-Li, WANG Yuan-Qing, BI Shun-Dong, MENG Jin

Fig. 8 Tooth condition of Shenshou lui (JZT-D061, paratype 3) A, B. CL images showing three cusped upper incisors and no tooth germ under any tooth locus; C, D. CT reconstruction (C) and SEM (D) images showing wear facets of the cheek teeth