Table S1.
Selected measurements of P. dapingfangensis IVPP V16363
| Element | Length, mm |
| Skull | 32.9 |
| Humerus | 33.5 |
| Ulna | 35.4* |
| Radius | 36.5 |
| Coracoid | 17.5 |
| Carpometacarpus | 14.5 |
| Alular digit-1 | 5.1 |
| Alular digit-2 | 2.5 |
| Major digit-1 | 8.8 |
| Ilium length | 16.9 |
| Pubis length | 21.2 |
| Tibiotarsus | 31.2* |
| Pedal digit I-1, 2 | 5.1, 75 |
| Pedal digit II-1, 2, 3 | 5.0, 6.4, 8.3* |
| Pedal digit III-1, 2, 3, 4 | 7.0, 6.3, 6.3, 4.1* |
Asterisk indicates estimation.