🦕 Prehistoric World Map

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 →

GroupEarly mammals
Lived48.07–37.71 million years ago (Lutetian to Bartonian)
PeriodsPaleogene
FamilyHyainailouridae
Named byEgi et al. 2007
Fossil records8 occurrences at 4 locations (PBDB)
Found inChina, Myanmar
Rock formationsPondaung, 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.

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