Except for the type specimen, there are no records, and it is presumed extinct.

It is now presumed extinct after extensive surveys in 1984, 1985, 1988 and 1989 failed to find this mouse again.

All of the species within this genus are presumed extinct.

It has not been seen since, and is presumed extinct.

All species in the genus are presumed extinct since 1970.

A 1996 survey failed to find it and it is presumed extinct.

All other agnatic lines of the old family are presumed extinct even earlier.

It was presumed extinct in the wild at the last remaining site by 1995.

It has been recorded from Tasmania but is now presumed extinct there.

Researchers were unable to locate any members of the species after 1992, and it is now presumed extinct.