After Froese & Pauly, 2001 [“The FishBase”] and Krabbenhoft & Munroe, 2003
<==o Symphurus [Aphoristia] ()? [N: 57] [FB: 59]
|-- S. arawak Robins & Randall, 1965 (Caribbean tonguefish)
|-- S. arabicus Chabanaud, 1954 [Aphoristia woodmasoni Alcock, 1889; Norman, 1939] (Arabian tonguefish)
|-- S. atramentatus Jordan & Bollman, 1890 (Inkspot tonguefish)
|-- S. atricaudus (Jordan & Gilbert, 1880) (California tonguefish)
|-- S. bathyspilus Krabbenhoft & Munroe, 2003 [Aphoristia woodmasoni Alcock, 1889; Chabanaud, 1954] (Philippine tonguefish)
|-- S. billykrietei Munroe, 1998 (Kriete's tonguefish)
|-- S. callopterus Munroe & Mahadeva, 1989 (Chocolate tonguefish)
|-- S. caribbeanus Munroe, 1991
|-- S. chabanaudi Mahadeva & Munroe, 1990 (Chabanaud's tonguefish)
|-- S. civitatium Ginsburg, 1951 (Offshore tonguefish)
|-- S. diabolicus Mahadeva & Munroe, 1990 (Devil's tonguefish)
|-- S. diomedeanus (Goode & Bean, 1885) (Spottedfin tonguefish)
|-- S. elongatus (Günther, 1868) (Elongate tonguefish)
|-- S. fasciolaris Gilbert, 1892 (Banded tongue-fish)
|-- S. gilesii (Alcock, 1889)
|-- S. ginsburgi Menezes & Benvegnú, 1976 (Ginsburg's tonguefish)
|-- S. gorgonae Chabanaud, 1948 (Gorgonian tonguefish)
|-- S. insularis Munroe, Brito & Hernandez, 2000
|-- S. jenynsi Evermann & Kendall, 1907 (Jenyn's tonguefish)
|-- S. kyaropterygium Menezes & Benvegnú, 1976
|-- S. leei Jordan & Bollman, 1890 (Lee's tonguefish)
|-- S. ligulatus (Cocco, 1844) (Elongate tonguesole)
|-- S. lubbocki Munroe, 1990
|-- S. marginatus (Goode & Bean, 1886) (Margined tonguefish)
|-- S. marmoratus Fowler, 1934
|-- S. melanurus Clark, 1936 (Drab tonguefish)
|-- S. melasmatotheca Munroe & Nizinski, 1990 (Blackstripe tonguefish)
|-- S. microlepis Garman, 1899 (Smallfin tonguefish)
|-- S. microrhynchus (Weber, 1913)
|-- S. minor Ginsburg, 1951 (Largescale tonguefish)
|-- S. monostigmus Munroe, 2006 (spotbelly tonguefish)
|-- S. nebulosus (Goode & Bean, 1883) (Freckled tonguefish)
|-- S. nigrescens Rafinesque, 1810 (Tonguesole)
|-- S. normani Chabanaud, 1950 (Norman's tonguesole)
|-- S. novemfasciatus Shen & Lin, 1984
|-- S. ocellatus von Bonde, 1922 (Double-spot tonguesole)
|-- S. oculellus Munroe, 1991
|-- S. oligomerus Mahadeva & Munroe, 1990 (Spotfin tonguefish)
|-- S. ommaspilus Böhlke, 1961 (Ocellated tonguefish)
|-- S. orientalis (Bleeker, 1879)
|-- S. parvus Ginsburg, 1951 (Pygmy tonguefish)
|-- S. pelicanus Ginsburg, 1951 (Longtail tonguefish)
|-- S. piger (Goode & Bean, 1886) (Deepwater tonguefish)
|-- S. plagiusa (Linnaeus, 1766) (Blackcheek tonguefish)
|-- S. plagusia (Bloch & Schneider, 1801) (Duskycheek tonguefish)
|-- S. prolatinaris Munroe, Nizinski & Mahadeva, 1991 (Halfstriped tonguefish)
|-- S. pusillus (Goode & Bean, 1885) (Northern tonguefish)
|-- S. regani Weber & de Beaufort, 1929
|-- S. reticulatus Munroe, 1990
|-- S. rhytisma Böhlke, 1961 (Patchtail tonguefish)
|-- S. sayademalhensis Chabanaud, 1955a [Aphoristia woodmasoni Alcock, 1889; Norman, 1928]
|-- S. septemstriatus (Alcock, 1891) (Sevenband tonguesole)
|-- S. stigmosus Munroe, 1998 (Blotchfin tonguefish)
|-- S. strictus Gilbert, 1905 (Blackbelly tonguesole)
|-- S. tessellatus (Quoy & Gaimard, 1824)
|-- S. trewavasae Chabanaud, 1948 (Trewavas' tonguefish)
|-- S. trifasciatus (Alcock, 1894) (Threeband tonguesole)
|-- S. undecimplerus Munroe & Nizinski, 1990 (Dark cheek tongue)
|-- S. urospilus Ginsburg, 1951 (Spottail tonguefish)
|-- S. variegatus (Gilchrist, 1903)
|-- S. varius Garman, 1899 (Mottled tonguefish)
|-- S. williamsi Jordan & Culver, 1895 (William's tonguefish)
`-- S. woodmasoni (Alcock, 1889) [Aphoristia woodmasoni Alcock, 1889] (Indian tonguefish)
Reference(s):
- Froese, R. & Pauly, D. (eds), 2001: FishBase.
–iNet: www.fishbase.org
- Munroe, T. A., 2006: New western Indian Ocean tonguefish (Pleuronectiformes: Gynoglossidae, Symphurus).
–Copeia: Vol. 2006 (106), #2, pp. 230-234
- Nelson, J. S., 1994: Fishes of the world.
–John Wiley & Sons Inc., New York, 1994, xx-600
- Krabbenhoft, T. J. & Munroe, T. A., 2003: Symphurus bathyspilus: A New Cynoglossid Flatfish (Pleuronectiformes: Cynoglossidae) from Deepwaters of the Indo-West Pacific.
–Copeia: Vol. 103, #4, pp. 810-817