File:Calvarius UDL.png
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![File:Calvarius UDL.png](https://upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Calvarius_UDL.png/800px-Calvarius_UDL.png?20240416150018)
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Calvarius: "Suffering" Late Cretaceous, Europe
Summary
[edit]DescriptionCalvarius UDL.png |
English: Calvarius is a genus of styracosternan ornithopod from the Late Cretaceous of Spain. The name alludes to its chronostratigraphic proximity to the extinction event that wiped out the non-avian dinosaurs at the end of the Cretaceous. The highly modified metatarsal that is known from shows an example of convergent evolution, as it is more similar to non-iguanodontian ornithopods than to other styracosternans. It is thought that this is due to fulfilling a niche in its island habitat, resulting in Calvarius becoming a small-bodied animal, capable of rapid locomotion. |
Date | |
Source | Own work |
Author | UnexpectedDinoLesson |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:00, 16 April 2024 | ![]() | 3,000 × 1,000 (2.13 MB) | UnexpectedDinoLesson (talk | contribs) | Blunted toe claws, thickened legs. |
01:08, 4 July 2023 | ![]() | 3,000 × 1,000 (2.12 MB) | UnexpectedDinoLesson (talk | contribs) | Uploaded own work with UploadWizard |
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