新发现的长吻型离龙(双孔亚纲：离龙目)幼年个体——袖珍蒙山龙,兼论新离龙类的个体发育
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袁梦, 李大庆, Daniel T. KSEPKA, 易鸿宇
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A juvenile skull of the longirostrine choristodere (Diapsida: Choristodera), Mengshanosaurus minimus gen. et sp. nov., with comments on neochoristodere ontogeny
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YUAN Meng, LI Da-Qing, Daniel T. KSEPKA, YI Hong-Yu
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Table 1 Measurements of vomerine and maxillary teeth in the same cross section (mm)
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| | Vomerine tooth width | Maxillary tooth width | Proportion | | Mengshanosaurus minimus (IVPG-T002) | V1 | 0.26 | 0.70 | 0.37 | | V2 | 0.20* | 0.73 | 0.27 | | V3 | 0.19* | 0.26 | | V4 | 0.22 | 0.64 | 0.34 | | Average proportion | | | 0.31 | Tchoiria klauseni
(IGM 1/8) | V1 | 1.40 | 9.99 | 0.14 | | V2 | 1.03 | 9.32 | 0.11 | | Average proportion | | | 0.13 | Champsosaurus lindoei
(CMN 8920) | V1 | 0.65 | 4.25 | 0.15 | | V2 | 0.77 | 3.54 | 0.22 | | Average proportion | | | 0.19 | Ikechosaurus sunailinae
(IVPP V 9611-3) | V1 | 0.38 | 2.40 | 0.16 | | V2 | 0.33 | 2.30 | 0.15 | | Average proportion | | | 0.16 |
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