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Antarctic representatives of the genus Macvicaria Gibson & Bray, 1982 (Digenea Opecoelidae), with descriptions of two new species

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Abstract

Four species of marine fish digeneans, Macvicaria pennelli (Leiper & Atkinson, 1914), M. ophthalmolyci n. sp., M. muraenolepidis n. sp. and M. antarctica (Kovaljova & Gaevskaya, 1974) n. comb., are described. The digeneans were collected in the western Antarctic (the environs of South Georgia and the South Shetland Islands) and in the sub-Antarctic (east of the Falkland Islands). The species described differ from each other in body shape, position of the ventral sucker, sucker ratio, posterior extent of the cirrus-sac, arrangement of the vitelline follicles and dimensions of the eggs. M. muraenolepidis n. sp. is restricted to the gadiform fish Muraenolepis microps. M. pennelli and M. antarctica were found exclusively in notothenioid fishes. M. ophthalmolyci n. sp. was found in zoarcid and nototheniid fishes. Previous authors have recorded only one of these species, M. pennelli, from the eastern Antarctic, but it is probable that more than one species was represented in their collections.

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  1. W. Stefański Institute of Parasitology, Polish Academy of Sciences, Pasteura 3, S. p. 153, 00-973, Warsaw, Poland

    Krzysztof Zdzitowiecki

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  1. Krzysztof Zdzitowiecki
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Zdzitowiecki, K. Antarctic representatives of the genus Macvicaria Gibson & Bray, 1982 (Digenea Opecoelidae), with descriptions of two new species. Syst Parasitol 16, 169–179 (1990). https://doi.org/10.1007/BF00009144

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  • DOI: https://doi.org/10.1007/BF00009144

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