Table 3.
HCl-AHPO-HPLC data for individual melanin marker concentrations (ng/mg) in fossil soft tissues and host sediments
| Eumelanin markers | Phaeomelanin markers | ||||||
|---|---|---|---|---|---|---|---|
| Fossil | PTCA | PDCA | PTeCA | PTeCA: PTCA | TTCA | TDCA | TTCA: TDCA |
|
Sinornithosaurus IVPP V 12811 |
3.71 ± 1.08 |
0.79 ± 0.04 |
5.78 ± 1.88 |
1.54 ± 0.06 |
3.13 ± 0 |
1.13 ± 0 |
2.77 ± 0 |
| Sediment IVPP V 12811 | 1.05 | 0.52 | 2.26 | 2.15 | <0.3 | <0.2 | 1.5 |
|
Confuciusornis IVPP V 13171 |
5.72 ± 1.54 |
1.02 ± 0.15 |
10.02 ± 2.78 |
1.75 ± 0.01 |
4.59 ± 0 |
1.47 ± 0 |
3.12 ± 0 |
| Confuciusornis CKGM F 6433 | 1.51 | 0.29 | 2.59 | 1.72 | 0.73 | 0.25 | 2.92 |
| Sediment CKGM F 6433 | 0.70 | 0.16 | 1.14 | 1.63 | 0.11 | 0.2 | 0.55 |
|
Pelophylax pueyoi (adult) MNCN 63773 |
18.6 | 4.61 | 20.0 | 1.08 | 1.62 | 3.29 | 0.49 |
| Pelophylax pueyoi (adult) MNCN 63678 |
23.75 ± 3.05 |
4.43 ± 0.51 |
26.15 ± 6.58 |
1.09 ± 0.13 |
– |
4.99 ± 1.29 |
– |
| Pelophylax pueyoi (adult) MNCN 63694 | 7.51 | 2.31 | 12.0 | 1.6 | <0.5 | 2.79 | 0.18 |
| Pelophylax pueyoi (tadpole) CKGM F 6434 | 155 | 30.1 | 169 | 1.09 | 45.4 | 42.1 | 1.08 |
| Sediment CKGM F 6434 | 4.84 | 5.42 | 13.4 | 2.77 | 11.4 | 5.29 | 2.16 |
PTCA pyrrole-2,3,5-tricarboxylic acid, PDCA pyrrole-2,3-dicarboxylic acid, PTeCA pyrrole-2,3,4,5-tetracarboxylic acid, TTCA thiazole-2,4,5-tricarboxylic acid, TDCA thiazole-4,5-dicarboxylic acid. Source data are provided as a Source Data file.