Amynthas magnodiverticulatus (Thai, 1984)
Pheretima magnodiverticulata Thai, 1984a: 287, fig. 1E; Samphon 1990: 91; Nakamura 1999: 52; Thai 2000a: 309; Huynh 2005a: 121; Nguyen & Tran 2008: 185.
Pheretima (Terrata) magnodiverticulata— Thai 1983: 123.
Amynthas magnodiverticulatus— Blakemore 2007a: 61; Blakemore 2008b.
Type locality. Vietnam (Gia Lai: An Khe).
Type material. ZMUM (W.229), Russia.
Records from Vietnam. Gia Lai (An Khe); Binh Dinh (Thai 1984a; Nguyen & Tran 2008).
Distribution. Vietnam, Laos (Samphon 1990).
Vietnamese name. Giun diverticulum lớn.
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 further examination was not possible because all previously collected material has been lost.