Amynthas oculatus ankheanus (Thai, 1984)
Pheretima oculata ankheana Thai, 1984a: 284, fig. 1B; Thai 2000a: 309; Huynh 2005a: 119. Pheretima (Terrata) oculata ankheana— Thai 1983: 123.
Amynthas oculatus ankheanus— Blakemore 2007a: 72; Blakemore 2008b.
Type locality. Vietnam (Gia Lai: An Khe).
Type material. ZMUM (W.242), Russia.
Records from Vietnam. Gia Lai (An Khe; Buon Luoi); Kon Tum (Sa Thay) (Thai 1984a; Huynh 2005a)
Distribution. Only known from Vietnam.
Vietnamese name. Giun mắt an khê.
Remarks. Thai (1983) proposed a new subgenus Terrata of the genus Pheretima, and placed the species under the new subgenus. Blakemore (2007a, 2008b) considered it as " species inquirenda ", but no further examination is made to confirm its taxonomic status.