Orienspterodon fossil map
Where fossils of Orienspterodon have been found, shown on the Earth as it looked about 45 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 45 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 | Early mammals |
|---|---|
| Lived | 48.07–37.71 million years ago (Lutetian to Bartonian) |
| Periods | Paleogene |
| Family | Hyainailouridae |
| Named by | Egi et al. 2007 |
| Fossil records | 8 occurrences at 4 locations (PBDB) |
| Found in | China, Myanmar |
| Rock formations | Pondaung, Hedi, Lumeiyi, Yuanchu |
About Orienspterodon
Orienspterodon ("eastern Pterodon") is an extinct genus of hyaenodonts from extinct paraphyletic subfamily Hyainailourinae within paraphyletic family Hyainailouridae, that lived from middle to late Eocene in China and Myanmar. Type species O. dahkoensis was originally assigned to genus Pterodon in 1975, but was eventually assigned to its own genus in 2007.
Text in “About” is quoted from the Wikipedia article Orienspterodon (revision 1302839747), 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: Q48848957.