Meiostylodon is an extinct genus of tillodont that lived during Paleocene. The lone type species, Meiostylodon zaoshiensis, is known only from three isolated teeth found at Zaoshi, Chaling County, Hunan Province in the People's Republic of China.B.-Y. Wang. 1975. Paleocene mammals of Chaling Basin, Hunan. Vertebrata PalAsiatica 13(3):154-162 These isolated fossil teeth are stored at the Paleozoological Museum of China.
References
Meiostylodon at fossilworks Meiostylodon zaoshiensis at Paleozoological Museum of China official website (Chinese)