In synonymy:
Orthocosa Roewer, 1960 = Tasmanicosa Roewer, 1959 (Framenau & Baehr, 2016: 9)
In synonymy:
Tasmanicosa christopheri (Simon, 1909, T from Avicosa) = Tasmanicosa leuckarti Thorell, 1870 (McKay, 1975b: 320, sub Lycosa)
Tasmanicosa molyneuxi (Hogg, 1906, T from Lycosa) = Tasmanicosa leuckarti Thorell, 1870 (Framenau & Baehr, 2016: 31)
Tasmanicosa stirlingae (Hogg, 1906, T from Orinocosa) = Tasmanicosa phyllis Hogg, 1906 (Framenau & Baehr, 2016: 37)
Tasmanicosa tasmanica (Hogg, 1906) = Tasmanicosa godeffroyi L. Koch, 1865 (Framenau & Baehr, 2016: 15)
Tasmanicosa woodwardi (Simon, 1909, T from Allocosa) = Tasmanicosa godeffroyi L. Koch, 1865 (Framenau & Baehr, 2016: 15)
Tasmanicosa zualella (Strand, 1907, T from Allocosa) = Tasmanicosa godeffroyi L. Koch, 1865 (Framenau & Baehr, 2016: 15)