Tsaganomyids are generally considered to be related to the Hystricognathi (porcupines and relatives). Members of Tsaganomyidae were fossorial (digging) rodents that probably used their incisor teeth to dig like some living mole rats.
Tsaganomyids are typically thought to be connected to Hystricognathi (porcupines and relatives). Members of Tsaganomyidae were burrowing rodents that likely used their incisor teeth to dig, similar to some living mole rats.