File:Bagaceratops & Protoceratops skull comparison.png
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| Description | Comparison of two ceratopsian dinosaurs cf. Bagaceratops sp. (A) and Protoceratops andrewsi (B) from the Late Cretaceous, Üüden Sair, Ömnögovi, Mongolia. A. Plesiomorphic and apomorphic features of MPC-D 100/551B (field number 000719 US FJMBaga). Skull in anterior view (A1), showing the folded nature of the preserved nasals, suggesting the presence of a single midline nasal horn (the dashed line shows its reconstruction fol- lowing archival photographs). Premaxillo-maxillary suture (the dashed line) in left anterolateral view (A2), showing no evidence for the “true” accessory antorbital fenestra. Right mandible in anterior view (A3), showing the sharp buccal crest of the dentary. B. Plesiomorphic condition of the left mandible of MPC-D 100/551 in anterior view (the dashed lines show the lateral outline at the mid-length of the mandible). |
| Date | |
| Source | (2020). "New protoceratopsid specimens improve the age correlation of the Upper Cretaceous Gobi Desert strata". Acta Palaeontologica Polonica 65 (3): 481−497. DOI:10.4202/app.00701.2019. |
| Author | Łukasz Czepiński |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:25, 30 October 2020 | | 2,804 × 1,916 (4.12 MB) | PaleoNeolitic (talk | contribs) | {{Information |Description=Comparison of two ceratopsian dinosaurs cf. ''Bagaceratops'' sp. (A) and ''Protoceratops andrewsi'' (B) from the Late Cretaceous, Üüden Sair, Ömnögovi, Mongolia. '''A'''. Plesiomorphic and apomorphic features of MPC-D 100/551B (field number 000719 US FJMBaga). Skull in anterior view (A1), showing the folded nature of the preserved nasals, suggesting the presence of a single midline nasal horn (the dashed line shows its reconstruction fol- lowing archival photographs... |
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