Abstract: The present invention relates to the novel anthelmintic compound tetrahydro-furan-2-carboxylic acid-[3-(2,3,5,6-tetrahydro-imidazo[2,1-b]thiazol-6-yl)-phenyl]-amide and the pharmaceutically acceptable acid addition salts and the stereochemically isomeric forms thereof, as well as pharmaceutical compositions comprising said novel compound, processes for preparing said compound and compositions, and the use thereof as a medicine, in particular in treatment, control and prevention of endo- and ectoparasite infections in warm-blooded animals.