Microbiothera is an order that encompasses one family, Microbiotheriidae, and is represented by only one extant species, the monito del monte, and a number of extinct species known from fossils in South America, Western Antarctica, and northeastern Australia.

Microbiothera is an order that encompasses one family, Microbiotheriidae, and is represented by only one extant species, the monito del monte, and a number of extinct species known from fossils in South America, Western Antarctica, and northeastern Australia.