Chupkaornis fossil map
Where fossils of Chupkaornis have been found, shown on the Earth as it looked about 85 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 85 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 | Theropods |
|---|---|
| Lived | 89.8–83.6 million years ago (Coniacian to Santonian) |
| Periods | Cretaceous |
| Named by | Tanaka et al. 2018 |
| Fossil records | 1 occurrences at 1 locations (PBDB) |
| Found in | Japan |
| Rock formations | Kashima |
About Chupkaornis
Chupkaornis (meaning "eastern bird") is a genus of prehistoric flightless birds from the Late Cretaceous (Coniacian-Santonian) Kashima Formation of Hokkaido, Japan. The type species is Chupkaornis keraorum.
Text in “About” is quoted from the Wikipedia article Chupkaornis (revision 1315931706), 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: Q60791749.