Morphology and chaetotaxy of Echinochasmus sp. cercaria (Trematoda, Echinochasmidae)B. Grabda-Kazubska, V. Kiseliene and Ch. Bayssade-DufourAnn. Parasitol. Hum. Comp., 66 6 (1991) 263-268DOI: https://doi.org/10.1051/parasite/1991666263