Cratyna (Spathobdella) Frey 1948 (dark-winged fungus gnat)
Parent taxon: Cratyna according to F. Röschmann and W. Mohrig 1995
Sister taxa: Cratyna (Cratyna), Cratyna (Peyerimhoffia), Cratyna interposita, Cratyna villosoantennata
Subtaxa: Cratyna (Spathobdella) archaica
Ecology:
Distribution: found only at Bitterfeld amber (MfN collection) (Eocene of Germany)