Mammalia - Rodentia - Zapodidae
Parent taxon: Zapodidae according to W. W. Korth 1987
Sister taxa: Aksyiromys, Banyuesminthus, Elymys, Eozapus, Gobiosminthus, Javazapus, Macrognathomys, Megasminthus, Miosicista, Napaeozapus, Pliozapus, Primisminthus, Schaubeumys, Shamosminthus, Sicista, Simiacritomys, Sminthozapus, Tyrannomys, Zapus
Subtaxa: Plesiosminthus
Ecology: ground dwelling herbivore
Distribution:
• Miocene of China (3 collections), Germany (2), Mongolia (9), Switzerland (1), United States (4: California, Delaware, Kansas, Texas)
• Oligocene to Miocene of China (1), Mongolia (1)
• Oligocene of China (6), France (4), Germany (4), Kazakhstan (1), Mongolia (7), Serbia and Montenegro (1), Spain (7), Switzerland (1)
Total: 52 collections including 59 occurrences