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South American Monogenea--list of species, hosts and geographical distribution.
Five-hundred and twenty-three species of monogeneans have been recorded in South America: 43 from Argentina, one from Bolivia, 252 from Brazil, 29 from Chile, 15 from Colombia, eight from Ecuador, 26Expand
Ultrastructure of spermatogenesis and sperm development in Saccocoelioides godoyi Kohn & Froes, 1986 (Digenea, Haploporidae).
Ultrastructural observations of spermatogenesis and sperm development of Saccocoelioides godoyi, an intestinal parasite of Leporinus friderici, are described, showing nuclei, mitochondria and two axonemes with the 9+1 configuration. Expand
Kritskyia moraveci n. g., n. sp. (Monogenea: Dactylogyridae) from the urinary bladder and ureters of Rhamdia quelen (Quoy & Gaimard, 1824) (Pisces: Pimelodidae) in Brazil
  • A. Kohn
  • Biology
  • Systematic Parasitology
  • 1 October 1990
A new genus, Kritskyia, is proposed for K. moraveci n. Expand
Spermatogenesis and spermiogenesis in Didymocystis wedli Ariola, 1902 (Didymozoidae, Digenea).
The ultrastructure of the male reproductive system of Didymocystis wedli was studied for the first time, demonstrating spermiogenesis and spermatogenesis at different cell stages. The spermatozoaExpand
Saccocoelioides godoyi n.sp. (Haploporidae) and other trematodes parasites of fishes from the Guaiba estuary, RS, Brazil
The similatary between the parasites of freshwater fishes from Argentina and Brazil is confirmed and Saccocoelioides godoyi n.sp. Expand
Helminths of freshwater fishes in the reservoir of the Hydroelectric Power Station of Itaipu, Paraná, Brazil
This study presents results from several expeditions in 1985, 1991-1995 and 2003 to the Medium Parana River in the section that begins below the Itaipu Dam and ends at the trinational border ofExpand
New observations on seuratoid nematodes parasitic in fishes of the Paraná River, Brasil.
A systematic survey of nematodes of the superfamily Seuratoidea collected from fishes of the Paraná River, southern Brazil, in 1992-1995, finds that most species are briefly described and illustrated and some problems concerning their taxonomy, hosts and geographical distribution are discussed. Expand
On some trematodes parasites of fishes from Paraná River.
  • B. Fernandes, A. Kohn
  • Biology, Medicine
  • Brazilian journal of biology = Revista brasleira…
  • 1 August 2001
Crassicutis cichlasomae Manter, 1936 is redescribed for the first time in South America and from a new host: Geophagus brasiliensis (Cichlidae). Iheringtrema iheringi Travassos, 1948 is redescribedExpand