Table 1.
Overview of birds from the Jehol Formation with “follicle”-like plant propagules preserved as stomach contents.
| Taxonomic identification | Specimen number | Propagule size | Femur length |
|---|---|---|---|
| Jeholornis prima (Jeholornithidae) | STM 2-51 | 7.1‒8.8 mm1 | 108.8 mm6 |
| Eoconfuciusornis zhengi (Confuciusornithidae) | STM 7-144 | 3.5‒5.8 mm8 | 25.4 mm8 |
| Enantiornithes indet. | STM 29-8 | 5.8‒8.8 mm1 | 40.2 mm6 |
| Enantiornithes indet. | STM 10-45 | 6.7‒8.8 mm1 | 34.9 mm6 |
| Enantiornithes indet. | STM 10-4 | 7.2 mm6 (mean value) | 38.7 mm6 |
| Enantiornithes indet. | STM 10-12 | 7.7 mm6 (mean value) | ‒ |
| Enantiornithes indet. | STM 11-121 | 6.8 mm6 (mean value) | 37.5 mm6 |
| Enantiornithes indet. | STM 11-212 | 5.4 mm6 (mean value) | ~ 32‒356 |
| Linyiornis amoena (Enantiornithes) | STM 11-80 | 5.6‒7.17 mm | 37.7 mm6 |