Dugesia notogaea is a species of dugesiid triclad that inhabits freshwater bodies of north Queensland, Australia.

[1][2] D. notogaea position in relation with other Dugesia species after the work of Lázaro et al., 2009:[3] D. sicula D. aethiopica D. japonica D. ryukyuensis D. notogaea D. bengalensis D. subtentaculata D. gonocephala D. liguriensis D. etrusca D. ilvana D. benazzii D. hepta