Sminthopsis longicaudata Spencer 1909
Sminthopsis longicaudata Spencer 1909, Proc. R. Soc. Victoria, n. s., 21: 449.
Type Locality: Australia, Western Australia.
Vernacular Names: Long-tailed Dunnart.
Distribution: Western Australia.
Conservation: CITES – Appendix I; U.S. ESA – Endangered; IUCN – Lower Risk (lc).
Discussion: Forms a species-group by itself. Known from only four specimens; see Ride (1970:201).