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File:Gonkoken UDL.png

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Summary

Description
English: Gonkoken is a hadrosauroid ornithopod dinosaur from the Late Cretaceous of what is now Chile. It was fairly small, at approximately 4 m in length, and shows a combination of basal and more derived hadrosauroid traits. Gonkoken's taxonomical and geographic placement prove that non-hadrosaur hadrosauroids survived in South America until the end of the Cretaceous. Based on this, it is hypothesized that the ancestors of Gonkoken migrated south to fill herbivorous niches before being outcompeted by more advanced hadrosaurs in the northern continents.
Date
Source Own work
Author UnexpectedDinoLesson

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Captions

Gonkoken: "Wild duck" Late Cretaceous, South America

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19 December 2023

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Date/TimeThumbnailDimensionsUserComment
current06:58, 2 May 2024Thumbnail for version as of 06:58, 2 May 20242,400 × 1,000 (1.49 MB)UnexpectedDinoLessonBlunted toe claws
04:21, 20 December 2023Thumbnail for version as of 04:21, 20 December 20232,400 × 1,000 (1.62 MB)UnexpectedDinoLessonUploaded own work with UploadWizard

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