Echinuria uncinata (Rudolphi, 1819)
Site of infection: esophagus, proventriculus.
Localities: Paris Zoological Garden (France), Lodz Zoological Garden (Poland), Whipsnade Zoological Garden (UK) (captivity).
References: Saƫz et al. (1981), Koch et al. (1987), Zuchowska (1997).