Amynthas mammoporophoratus (Thai, 1982)

Pheretima mammoporophorata Thai, 1982: 825, fig. 2G; Do 1994: 90; Nakamura 1999: 52; Thai 2000a: 309. Pheretima (Terrata) mammoporophorata— Thai 1983: 123.

Amynthas mammoporophoratus— Blakemore 2007a: 62; Blakemore 2008b.

Type locality. Vietnam (Ninh Binh: Cuc Phuong).

Type material. ZMUM (W.251), Russia.

Records from Vietnam. Lao Cai (Sa Pa); Son La (Moc Chau); Ninh Binh (Cuc Phuong NP); Nghe An (Que Phong) (Thai 1982; Do 1984).

Distribution. Only known from Vietnam.

Vietnamese name. Giun nhú đực hình vú.

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.