Supplementary data file 2

Tadpole body shape data for 166 species. Landmarks and semilandmarks for characterizing the body shape of tadpoles. 1
Centre of the eye
2
Centre of the external nares
3
Point where the upper labium contacts the head/body
4
Point where the lower labium contacts the head/body
5
Intersection of the head/body and tail on the ventral side, anterior to the vent
6
Intersection of the ventral edge if the tail muscle and the head/body
7
Intersection of the dorsal edge if the tail muscle and the head/body
8
Tip of the tail
9
Point on the dorsal fin closest to landmark 7 (superficially denotes the intersection of the head/body and tail regions)
10 to 17
Equally-spaced semilandmarks marking the curve of the dorsal aspect of the head/body when viewed laterally
18 to 27
Equally-spaced semilandmarks marking the curve of the dorsal aspect of the tail fin when viewed laterally
28 to 37
Equally-spaced semilandmarks marking the curve of the ventral aspect of the tail fin when viewed laterally
38-45
Equally-spaced semilandmarks marking the curve of the ventral aspect of the head/body when viewed laterally
46 to 55
Equally-spaced semilandmarks marking the curve of the notochord

本数据集涵盖166个物种的蝌蚪体型形态数据，包含用于表征蝌蚪身体形态的标记点（landmarks）与半标记点（semilandmarks）。
1. 眼球中心
2. 外鼻孔中心
3. 上唇与头部/躯干的接触点
4. 下唇与头部/躯干的接触点
5. 腹面头部/躯干与尾部的交点（位于泄殖腔前方）
6. 尾部肌肉腹侧边缘与头部/躯干的交点
7. 尾部肌肉背侧边缘与头部/躯干的交点
8. 尾尖
9. 背鳍上最靠近标记点7的点位（表面表征头部/躯干与尾部区域的交点）
10至17：等间距分布的半标记点，用于标记侧面观下头部/躯干的背侧轮廓曲线
18至27：等间距分布的半标记点，用于标记侧面观下尾鳍的背侧轮廓曲线
28至37：等间距分布的半标记点，用于标记侧面观下尾鳍的腹侧轮廓曲线
38至45：等间距分布的半标记点，用于标记侧面观下头部/躯干的腹侧轮廓曲线
46至55：等间距分布的半标记点，用于标记脊索（notochord）的轮廓曲线