Ali Bashi Formation

{{short description|Permian geologic formation in Transcaucasia}}

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| name = Ali Bashi Formation

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| type = Formation

| age = Changhsingian

| period = Changhsingian

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| country = Armenia
Azerbaijan

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The Ali Bashi Formation is a geologic formation in Armenia and Azerbaijan. It preserves fossils dated to the Changhsingian stage of the Permian period.[https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Ali%20Bashi&group_formation_member=Ali%20Bashi Ali Bashi Formation] at Fossilworks.org