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Proemotobothrium n. g. (Cestoda: Trypanorhyncha), with the redescription of P. linstowi (Southwell, 1912) n. comb. and description of P. southwelli n. sp.

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Abstract

A new genus, Proemotobothrium (Trypanorhyncha: Otobothriidae), is erected to contain P. linstowi (Southwell, 1912) n. comb. (syn. Otobothrium magnum Southwell, 1924) and P. southwelli n. sp. The new genus is characterised by two bothridia, paired bothridial pits, an acraspedote scolex, elongate bulbs, four hooks per principal row, hooks 4 (4′) being small and uncinate, a single, filiform, intercalary hook between each principal row and by the arrangement, in tandem, of the two or three extra hooks of the armature of the external surface of the tentacle, a pattern previously known only in the family Mixodigmatidae. The two species are distinguished from one another on the basis of measurements of the scolex and bulbs, the sizes of the hooks of the principal rows and by the number and size of the additional hooks in the linear arrays on the external surface of the tentacle.

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Authors and Affiliations

  1. Department of Veterinary Science, The University of Melbourne, Parkville, Victoria, 3052, Australia

    I. Beveridge

  2. Department of Biology, University of Massachusetts – Dartmouth, N. Dartmouth, Massachusetts, 02747, USA

    R.A. Campbell

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  1. I. Beveridge
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  2. R.A. Campbell
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Beveridge, I., Campbell, R. Proemotobothrium n. g. (Cestoda: Trypanorhyncha), with the redescription of P. linstowi (Southwell, 1912) n. comb. and description of P. southwelli n. sp.. Syst Parasitol 48, 223–233 (2001). https://doi.org/10.1023/A:1006426522306

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