''Iraniplectus bakhtiari'' is an extinct relative of modern-day

pufferfish Tetraodontidae is a family of primarily marine and estuarine fish of the order Tetraodontiformes. The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowies, bubblefish, globefish, swellfi ...

and porcupine fish from the

Middle Oligocene The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but t ...

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkm ...

. It is closely related to the

Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...

Zignoichthys ''Zignoichthys oblongus'' is an extinct prehistoric relative of the pufferfish and porcupine fish that lived during the Lutetian epoch of the Eocene. ''Z. oblongus fossils are found from the Monte Bolca lagerstätte of what is now Italy. It ...

''.

References

Prehistoric ray-finned fish genera Oligocene fish Tetraodontiformes Fossils of Iran Fossil taxa described in 2006 {{paleo-tetraodontiformes-stub