EN
Three different forms of sarcocysts from the zoo animals Pseudois nayaur, Capricomis crispus and Ovibos moschatus (Bovidae, Caprinae) were investigated by light and transmission electron microscopy, in special consideration of the cyst wall. Two of these forms were not distinguishable from Sarcocystis capracanis or the pair of sibling species S. hircicanis/ arieticanis by their morphology. They were, therefore, designated as S. cf. capracanis (in Pseudois) and S. cf. hircicanis/arieticanis (in Pseudois, Capricornis and Ovibos) in this paper. The third form (from Capricornis) was not identifiable as one of the species hitherto known. Its cyst wall, provided with stumpy nail-like, in the outline T-shaped villar protrusions, could not be attributed to one of the types established by Dubey et al. (1989). It was, therefore, described as Sarcocystis capricornis sp. n. The Sarcocystis species described in Caprinae so far were discussed.