File:Qianlong eggs.jpg
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English: Egg clutch, eggs and eggshell microstructure of Qianlong shouhu. (a) Egg clutch GZPM VN005 preserving 16 eggs and a fragmentary bone, (b) The embryonic-skeleton-containing egg GZPM VN006-1, (c) Close-up of eggshell of GZPM VN004-1, showing cracked eggshell, radial thin sections (d, e) and line drawing (i) showing the entire eggshell microstructure, the eggshell covered by secondary calcite (e, arrow) is thinner, radial thin section under polarized light (f) and Inverse Pole figure (IPF) map under EBSD analysis (g) showing the mammillary cones with nucleation centre (yellow arrows), tangential thin section near the outer surface under PLM (i) and its line drawing (j) showing interlocking eggshell units and elongated and round pores (arrows), tangential thin section near the inner surface under TLM (k) and its line drawing (l) showing isolated eggshell units with nucleation centre (arrows). Abbreviations: cv, caudal vertebrae; es, eggshell; fe, femur; fi, fibula; Ii, ilium; ti, tibia |
| Date | |
| Source | Exceptional early Jurassic fossils with leathery eggs shed light on dinosaur reproductive biology |
| Author | F. Han, Y. Yu, S. Zhang, R. Zeng, X. Wang, H. Cai, T. Wu, Y. Wen, S. Cai, C. Li, R. Wu, Q. Zhao & X. Xu |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:14, 27 October 2023 | | 3,463 × 4,042 (1.82 MB) | SlvrHwk (talk | contribs) | Uploaded a work by F. Han, Y. Yu, S. Zhang, R. Zeng, X. Wang, H. Cai, T. Wu, Y. Wen, S. Cai, C. Li, R. Wu, Q. Zhao & X. Xu from [https://doi.org/10.1093/nsr/nwad258 Exceptional early Jurassic fossils with leathery eggs shed light on dinosaur reproductive biology] with UploadWizard |
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