Key to Danish species of Paradiacheopsis Hertel

1 Capillitial threads thin, lax, branched only once, with club-like swollen apices. P. fimbriata(G. Lister & Cran) Hertel ex Nann.-Bremek.
1' Capillitial branches stout, dichotomously branched several times, no cross-connections, pointed apices. P. solitaria (Nann.-Bremek.) Nann.-Bremek.