Triforis tasmanica Tenison Woods, 1876
Triforis tasmanica Tenison Woods, 1876: 28 .
Triforis tasmanicus Tenison Woods, 1876 — Paetel 1888: 350.
Triphora tasmanica Tenison Woods, 1876 — Hedley 1903: 612, pl. 32, fig. 22.
Isotriphora tasmanica (Tenison Woods, 1876) — Cotton & Godfrey 1931: 52, pl. 1, fig. 3.
Type locality. Australia, Tasmania, Long Bay, dredged.
Type material. TMAG E.534a, lectotype.
Distribution. Australia (Hedley 1903; Verco 1909; Hedley 1918; Cotton & Godfrey 1931; Cotton 1932; Laseron 1954; Marshall 1983; Wilson 1994), Australia, Tasmania (Tenison Woods 1876; Tryon 1887; Paetel 1888; Tate & May 1901; May 1921; May 1923; May 1958; Marshall 1983).
Remarks. Lectotype designation by Marshall (1983). Marshall (1983) considered that apart from having more numerous axial costae and smaller nodules, Isotriphora echina Laseron, 1954 is indistinguishable from Triforis tasmanica Tenison Woods, 1876 .