After Nelson, 1994, with species from Froese & Pauly, 2001 [“The FishBase”]
<==o Cynoglossidae (etelänkielikampelat)
|-- Symphurus [Symphurinae] [N: 57] [FB: 59]
`--o Cynoglossinae
|-- Cynoglossus [Arelia] Mioc. Eu. R. Oc. [N: 50] [FB: 53]
`--o Paraplagusia [N: 3] [FB: 5]
|-- P. bilineata (Bloch, 1787) (Doublelined tonguesole)
|-- P. blochii (Bleeker, 1851) (Bloch's tonguesole)
|-- P. japonica (Temminck & Schlegel, 1846) (Black cow-tongue)
|-- P. longirostris Chapleau, Renaud & Kailola, 1991 (Long-snouted tongue sole)
`-- P. sinerama Chapleau & Renaud, 1993 (Dusky tongue sole)
Reference(s):
- Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698
- Carroll, R. L., 1988: Appendix. 594-648.
in Carroll, R. L., 1988: Vertebrate paleontology and evolution.
–W. H. Freeman and company, New York, 1988, 698
- Froese, R. & Pauly, D. (eds), 2001: FishBase.
–iNet: www.fishbase.org
- 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
- Lahti, S., Malmström, K. K., Koli, L., Leikola, A., Syrjämäki, J. & Lahti, J., 1980: Zoo, Suuri Eläinkirja 5: Kalat, sammakkoeläimet, matelijat.
–Werner Söderström Osakeyhtiö, Porvoo-Helsinki-Juva, 1980.
Original work [in French]: Beauté Du Monde Animal: IX Reptiles/Amphibiens & X Poissons.
–Rizzoli Editore, Milano, 1968,
- Nelson, J. S., 1994: Fishes of the world.
–John Wiley & Sons Inc., New York, 1994, xx-600