D. matthewi Djadochtatherium is a mammal genus that lived in Mongolia during the Upper Cretaceous.

This animal was a member of the extinct order of Multituberculata.

It has been found in the Campanian (Upper Cretaceous)-age Djadokhta and Goyot Formations of Mongolia.

This was a relatively large Multituberculate, with a skull length of about 4.5 cm.

It was originally diagnosed as a species within the North American genus of Catopsalis.