三角渦蟲屬（学名：Dugesia）为三角涡虫科的一个属。
本属包括以下物种：[1]
- Dugesia aborensis (Whitehouse, 1913)
- Dugesia absoloni (Komarek, 1919)
- Dugesia aenigma De Vries, 1984
- Dugesia aethiopica Stocchino, Corso, Manconi & Pala, 2002
- Dugesia afromontana Stocchino & Sluys, 2012
- Dugesia andamanensis (Kaburaki, 1925)
- Dugesia annandalei (Kaburaki, 1918)
- 阿拉伯三角涡虫 Dugesia arabica Harrath & Sluys, 2013
- Dugesia arcadia De Vries, 1988
- Dugesia ariadnae De Vries, 1984
- Dugesia ariadne de Vries, 1984
- Dugesia artesiana Sluys & Grant, 2007
- Dugesia astrocheta Marcus, 1953
- Dugesia aurea Leria, 2020
- 南亚三角涡虫 Dugesia austroasiatica Kawakatsu, 1985
- Dugesia bactriana de Beauchamp, 1959
- Dugesia bakurianica Porfirieva, 1958
- Dugesia barroisi (Whitehouse, 1914)
- Dugesia batuensis Ball, 1970
- Dugesia benazzii Lepori, 1951
- Dugesia benazzii Stocchino, 2018
- Dugesia bengalensis Kawakatsu, 1983
- Dugesia biblica Benazzi & Banchetti, 1973
- Dugesia bifida Stocchino & Sluys, 2014
- Dugesia bijuga Harrath & Sluys, 2019
- Dugesia bilineata (Kaburaki, 1918)
- Dugesia borneana Kawakatsu, 1972
- Dugesia brachycephala (Bohmig, 1897)
- Dugesia brigantii De Vries & Benazzi, 1983
- Dugesia burmaensis (Kaburaki, 1918)
- Dugesia capensis Sluys, 2007
- Dugesia chichkovi (Hranova, 1929)
- Dugesia circumcisa Chen & Dong, 2021
- Dugesia colapha Dahm, 1967
- Dugesia congolensis de Beauchamp, 1951
- Dugesia corbata Leria, 2020
- Dugesia cretica (Meixner, 1928)
- Dugesia damoae De Vries, 1984
- Dugesia debeauchampi De Vries, 1988
- Dugesia deharvengi Kawakatsu & Mitchell, 1989
- Dugesia didiaphragma De Vries, 1988
- Dugesia dubia (Borelli, 1895)
- Dugesia ectophysa Marcus, 1953
- Dugesia effusa Sluys, 2013
- Dugesia elegans De Vries, 1984
- Dugesia etrusca Benazzi, 1944
- Dugesia fissipara (Kennel, 1888)
- Dugesia foeni Ball, 1977
- Dugesia fontinalis (Nurse, 1950)
- Dugesia gemmulata Sun & Wang, 2022
- Dugesia golanica Bromley & Benazzi, 1991
- Dugesia gonocephala (Duges, 1830)
- Dugesia gonocephaloides Girard, 1850
- Dugesia hepta Pala, Casu & Vacca, 1981
- Dugesia hoernesi (Weiss, 1909)
- Dugesia hymanae (Sivickis, 1928)
- Dugesia iheringii (Bohmig, 1887)
- Dugesia ilvana Lepori, 1948
- Dugesia improvisa Sluys & Sola, 2013
- Dugesia indica Kawakatsu, 1969
- Dugesia indonesiana Kawakatsu, 1973
- 伊朗三角涡虫 Dugesia iranica Livanov, 1951
- Dugesia izuensis Kato, 1943
- 日本三角渦蟲 Dugesia japonica Ichikawa & Kawakatsu, 1964
- Dugesia krishnaswamyi Kawakatsu, 1975
- Dugesia lamottei de Beauchamp, 1952
- Dugesia lanzai Banchetti & del Papa, 1972
- Dugesia lata (Sivickis, 1923)
- Dugesia laurentiana (Borelli, 1897)
- Dugesia leclerci Kawakatsu & Mitchel, 1995
- Dugesia leporii Pala, Stocchino, Corso & Casu, 2000
- Dugesia libanica Bromley & Benazzi, 1991
- Dugesia liguriensis De Vries, 1988
- Dugesia lindbergi de Beauchamp, 1959
- Dugesia machadoi de Beauchamp, 1952
- Dugesia maculata (Leidy, 1847)
- Dugesia maghrebiana Stocchino, Manconi, Corso, Sluys, Casu & Pala, 2009
- Dugesia majuscula Chen & Dong, 2021
- Dugesia malickyi De Vries, 1984
- Dugesia mertoni (Steinmann, 1914)
- Dugesia michaelsoni (Bohmig, 1902)
- Dugesia microbursalis (Hyman, 1931)
- Dugesia milloti Beauchamp, 1952
- Dugesia minotauros De Vries, 1984
- Dugesia mirabilis De Vries, 1988
- Dugesia modesta Girard, 1893
- Dugesia monomyoda Marcus, 1953
- Dugesia montana Nurse, 1950
- Dugesia myopa De Vries, 1988
- Dugesia naiadis Sluys, 2013
- Dugesia nannophallus Ball, 1970
- Dugesia nansheae De Vries, 1988
- Dugesia neumanni (Neppi, 1904)
- Dugesia nonatoi Marcus, 1946
- Dugesia notogaea Sluys & Kawakatsu, 1998
- Dugesia novaguineana Kawakatsu, 1976
- Dugesia parasagitta Sluys & Sola, 2013
- Dugesia persica Behzad, Masoud & Mahmood, 1998
- Dugesia polyorchis (Fuhrmann, 1912)
- Dugesia pustulata Harrath & Sluys, 2019
- Dugesia rava (Weiss, 1909)
- Dugesia rincona Marcus, 1954
- 琉球三角涡虫 Dugesia ryukyuensis Kawakatsu, 1976
- Dugesia sagitta (Schmidt, 1861)
- Dugesia salina (Whitehouse, 1914)
- Dugesia schauinslandi (Neppi, 1904)
- Dugesia seclusa (de Beauchamp, 1940)
- Dugesia semiglobosa Chen & Dong, 2021
- Dugesia siamana Kawakatsu, 1980
- Dugesia sicula Lepori, 1948
- Dugesia similis (Bohmig, 1902)
- Dugesia sinensis Chen & Wang, 2015
- Dugesia subtentaculata (Draparnaud, 1801)
- Dugesia sudanica Dahm, 1971
- Dugesia superioris Stocchino & Sluys, 2013
- Dugesia tamilensis Kawakatsu, 1980
- Dugesia tanganyikae (Laidlaw, 1906)
- Dugesia tiberiensis (Whitehouse, 1914)
- Dugesia tubqalis Harrath & Sluys, 2012
- Dugesia uenorum Kawakatsu & Mitchel, 1995
- Dugesia umbonata Song & Wang, 2020
- Dugesia venusta (Bohmig, 1897)
- Dugesia verrucula Chen & Dong, 2021
- Dugesia vestibularis De Vries, 1988
- Dugesia wytegrensis (Sabussow, 1907)
