13 Shape of thickened basal membrane a H. speciosus (after Hrabĕ 1931) b H. speciosus speciosus (after Hrabĕ 1966) c H. speciosus sensu Brinkhurst (1966) d H. speciosus fluminialis from USA (after Milligan 1986) e H. speciosus simsi (after Milligan 1986) f H. zavreli (after Hrabĕ 1942) g H. monfalconensis (after Hrabĕ 1966) 14 Haber vetus (Semernoy, 1982) a spermatheca b serrated hair seta c–e anterior dorsal setae c in segment II d in segment III e in segment V. Abbreviation on figure: ss – spermathecal seta (after Semernoy 1982, modified) 15 Haber turquinae (Juget & Lafont, 1979) shape of setae a anterior ventral setae b anterior dorsal setae (after Juget and Lafont 1979).

 
 
  Part of: Dumnicka E, Wojtal AZ (2021) Revalidation of the stygobiotic species Haber zavreli (Hrabĕ, 1942) (Clitellata, Naididae, Tubificinae) with discussion on the closely related species Haber speciosus (Hrabĕ, 1931) and Haber monfalconensis (Hrabĕ, 1966). Subterranean Biology 39: 143-156. https://doi.org/10.3897/subtbiol.39.68397