Pseudomys fieldi (Waite, 1896) . Rept. Horn Sci. Exped. Cent. Aust., Zool., 2:403.

TYPE LOCALITY: Australia, S Northern Territory, Alice Springs .

DISTRIBUTION: Known only from the type locality.

STATUS: U.S. ESA - Endangered; IUCN - Extinct.

COMMENTS: Still represented only by the holotype. "It is difficult to determine whether or not this represents a distinct species or a rather aberrant specimen of some other species" (Watts and Aslin, 1981: 171).