Thyanta (Phacidium) robusta Rider, 1991
Thyanta (Phacidium) robusta Rider in Rider & Chapin, 1991: 27
Holotype: 1 ♁. [hw label] Ana Reck(Mun. Ca-/ xias do Sul R.S./ 9-IV-55, Brasil / E.W.Gruman leg. // [on red] HOLOTYPE/ Thyanta / robusta/ Rider // FSCA // [upside down barcode label] FSCA 00070624.
Conservation status: Mostly good condition; pinned; dissected pygophore and genitalia and a partial leg point mounted under specimen; only three legs still attached (Fig. 146).