Třída: Actinopterygii - paprskoploutví
Řád: Esociformes - štikotvární
Čeleď: Umbridae - blatňákovití

Typový druh: Umbra krameri Walbaum, 1792

Reference: Scopoli J. A. 1777. Introductio ad historiam naturalem, sistens genera lapidum, plantarum et animalium hactenus detecta, caracteribus essentialibus donata, in tribus divisa, subinde ad leges naturae. Prague. Introd. Hist. Nat. . i-x + 1-506.

Přehled druhů

• Umbra krameri Walbaum, 1792
  Blatňák tmavý
  Walbaum, J. J. 1792. Petri Artedi sueci genera piscium. In quibus systema totum ichthyologiae proponitur cum classibus, ordinibus, generum characteribus, specierum differentiis, observationibus plurimis. Redactis speciebus 242 ad genera 52. Ichthyologiae pars III. Ant. Ferdin. Rose, Grypeswaldiae [Greifswald]. Artedi Piscium Pt. 3: [i-viii] + 1-723, Pls. 1-3.
• Umbra limi (Kirtland, 1841)
  Blatňák větší
  Kirtland, J. P. 1840. Descriptions of four new species of fishes. Boston J. Nat. Hist. v. 3 (nos. 1-2): 273-277, Pl. 2.
• Umbra pygmaea (DeKay, 1842)
  Blatňák menší
  DeKay, J. E. 1842. Zoology of New-York, or the New-York fauna; comprising detailed descriptions of all the animals hitherto observed within the state of New-York, with brief notices of those occasionally found near its borders, and accompanied by appropriate illustrations. Part IV. Fishes. W. & A. White & J. Visscher, Albany. (part of: Natural History of New York). Zool. New York: i-xv + 1-415, Pls. 1-79.

Statistické údaje

Počet druhů: 3