Mikhail Feodosievich Ivakhnenko (30 September 1947 – 10 July 2015) was a Russian paleontologist.[1][2] In the 1980s, he graduated with a PhD from the University of Leningrad with a dissertation on procolophonids.[2] He later worked at the Paleontological Institute at the Russian Academy of Sciences.[2] His research largely focused on Permian synapsids and reptiles, having published over 50 works and naming 130 new fossil species.[3]
He was born in 1947 in Smolensk. He died in Ramesnkoye, Moscow. He is buried at the Bykovskoye Memorial Cemetery.[2]