Gonkoken fossil map
Where fossils of Gonkoken have been found, shown on the Earth as it looked about 66 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 66 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Iguanodonts & duck-bills |
|---|---|
| Lived | 72.2–66 million years ago (Maastrichtian) |
| Periods | Cretaceous |
| Named by | Alarcón-Muñoz et al. 2023 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Chile |
| Rock formations | Dorotea |
About Gonkoken
Gonkoken (meaning "similar to a wild duck or swan") is an extinct genus of hadrosauroid ornithopod dinosaur from the Late Cretaceous Dorotea Formation of Chilean Patagonia. The genus contains a single species, Gonkoken nanoi, known from disarticulated bones of multiple individuals.
Text in “About” is quoted from the Wikipedia article Gonkoken (revision 1349932726), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q119585708.
