- Perichaeta elongata Perrier, 1872: 124.
- Perichaeta biseralis Perrier, 1875: 1044.
- Pheretima biserialis: Perrier 1875
- Pheretima elongata: Gates 1958g: 8; 1982: 45; Thai 1987: 7; Thai et al. 2007: 312; Nguyen and Tran 2008: 61; Nguyen et al. 2010: 114; Nguyen and Nguyen 2010: 123; Nguyen and Huynh 2011: 1018; Nguyen et al. 2012: 146; Nguyen 2014: 112.
- Polypheretima elongata: Easton 1979: 53
- Metapheretima elongata: Reynolds and Wetzel 2004: 88; 2008: 181.
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Data are not exhaustive. The database is permanently a work in progress.