Třída: Actinopterygii - paprskoploutví
Řád: Percopsiformes - okounovci
Čeleď: Amblyopsidae - hrdlořitkovití

Typový druh: Amblyopsis spelaeus DeKay, 1842

Reference: 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... In: Natural History of New York. Zool. New York Part 4. Fishes. 1-415. Fishes Pls. 1-79.

Přehled druhů

• Amblyopsis rosae (Eigenmann, 1897)
  Hrdlořitka podzemní
  Eigenmann, C. H. 1898. On the Amblyopsidae. Science (n. s.) v. 7 (no. 164): 227.
• Amblyopsis spelaea DeKay, 1842
  Hrdlořitka jeskynní
  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: 2