Amynthas glabrus (Gates, 1932) Pheretima glabra Gates, 1932: 395; Gates 1972: 187; Zhong & Qiu 1987: 24, fig. 2; Do 1994: 78; Le 1995a: 37; Nakamura 1999: 24; Thai 2000a: 309; Huynh et al. 2005: 180. Pheretima (Terrata) glabra— Thai 1983: 123. Amynthas glabrus— Sims & Easton 1972: 237; Easton 1981: 50; Blakemore 2007a: 42; Blakemore 2008b. See Blakemore (2007a) for more synonyms. Type locality. China (Nam Hpen Noi, Yunnan). Type material. Unknown. Examined material. 1 C (SORC-V.138.01), cabbage field, Son La, 31/12/1984. Records from Vietnam. Lang Son (Binh Gia); Yen B a i (Yen Binh); Vinh Phuc (Tam Dao NP); Phu Tho (Xuan Son NP); Ninh Binh (Cuc Phuong NP) (Do 1994; Le 1995a; Huynh et al. 2005). Distribution. Originally described from China (Yunnan) and Myanmar, and known from Japan; recently reported from China (Sichuan; Guizhou) and Vietnam (Easton 1981; Zhong & Qiu 1987; Blakemore 2007a). Vietnamese name. Giun nhẵn. Remarks. Thai (1983) proposed a new subgenus Terrata of the genus Pheretima, and placed the species under the new subgenus.

Published as part of Nguyen, Tung T., Nguyen, Anh D., Tran, Binh T. T. & Blakemore, Robert J., 2016, A comprehensive checklist of earthworm species and subspecies from Vietnam (Annelida: Clitellata: Oligochaeta: Almidae, Eudrilidae, Glossoscolecidae, Lumbricidae, Megascolecidae, Moniligastridae, Ocnerodrilidae, Octochaetidae), pp. 1-92 in Zootaxa 4140 (1) on page 30, DOI: 10.11646/zootaxa.4140.1.1, http://zenodo.org/record/256507