Type species: Batistomyces hyalinus (Kalb & Vězda) Xavier-Leite, M. Cáceres & Lücking [MycoBank MB 850471]. Basionym: Tricharia hyalina Kalb & Vězda. Biblioth. Lichenol. 29: 65 (1988).
Genus description: Thallus foliicolous, continuous, with numerous, densely arranged, relatively short (less than 0.5 mm), sterile black setae. Apothecia sessile to almost stipitate, biatorine, translucent; proper margin thin, prominent. Excipulum paraplectenchymatous, colorless. Hypothecium colorless. Epithecium indistinct. Ascospores muriform. Hyphophores setiform, black. Diahyphae inserted apically, moniliform, segments sausage-shaped.