- Lumbricus gordioides Hartmann, 1821: 108.
- Phreoryctes gordioides (Hartmann, 1821)
- Phreoryctes (Haplotaxis) gordioides (Hartmann, 1821)
- Haplotaxis gordioides (Hartmann, 1821)
- Tubifex uncinarius Duges, 1837
- ?Clitellio (Limnodrilus) uncinarius (Duges, 1837)
- Haplotaxis menkeana Hoffmeister, 1843
- Phreoryctes menkeanus (Hoffmeister, 1843)
- Georyctes menkei Schlotthauber, 1854
- Georyctes lichtensteinii Schlotthauber, 1860
- Nematodrilus filiformis Claparede, 1862: 275.
- Phreoryctes filiformis (Claparede, 1862)
- Phreoryctes heydeni Noll, 1873
- Lumbricogordius hartmanni Noll, 1874
- Phreoryctes emissarius Forbes, 1890
- Phreoryctes endeca Giard, 1894
- Diachaeta curvisetosa Friend, 1896
- Phreoryctes dichaetus Friend, 1896
- Phreoryctes endeka var. pachyderma Ferroniere, 1899
- Haplotaxis endeka var. pachyderma (Ferroniere, 1899)
- ?Haplotaxis intermedia Pierantoni, 1904
- Haplotaxis forbesi Smith, 1918
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Data are not exhaustive. The database is permanently a work in progress.