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Malalophus jensenae n. g., n. sp. (Monogenea: Monocotylidae) from the gills of Aetomylaeus vespertilio (Myliobatidae) off northern Australia

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Abstract

Malalophus jensenae n. g., n. sp. is described from the gills of the ornate eagle ray Aetomylaeus vespertilio (Bleeker) collected off the eastern coast of the Gulf of Carpentaria, northern Queensland. The new genus is similar to Heliocotyle Neifar, Euzet & Ben Hassine, 1999, with which it shares a haptor bearing seven peripheral loculi and a single dorsal haptoral accessory structure. M. jensenae can be distinguished from species of Heliocotyle by the presence of numerous sclerotised sinuous ridges covering the ventral surfaces of the peripheral loculi of the haptor. It also lacks pseudosepta which are present on the haptor of Heliocotyle species. This is the first published record of a monogenean from an elasmobranch in the Gulf of Carpentaria, Australia.

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Acknowledgements

We thank Janine Caira (University of Connecticut) and Kirsten Jensen (University of Kansas) for providing us with the gill tissue; their collections were funded in part by PEET grant DEB no. 0118882. Vanessa Glennon (The University of Adelaide) kindly mounted the specimens. We also thank Claire Healy for the use of her laboratory facilities at the Royal Ontario Museum, Toronto, Canada to complete some of this work. This study was supported by funds from grant no. DP0557697 awarded for 2005–2007 to IDW from the Australian Research Council.

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Authors and Affiliations

  1. Monogenean Research Laboratory, Parasitology Section, The South Australian Museum, North Terrace, Adelaide, SA, 5000, Australia

    Leslie A. Chisholm & Ian D. Whittington

  2. School of Earth and Environmental Sciences (DX 650 418), Marine Parasitology Laboratory, The University of Adelaide, North Terrace, Adelaide, SA, 5005, Australia

    Leslie A. Chisholm & Ian D. Whittington

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  1. Leslie A. Chisholm
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  2. Ian D. Whittington
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Correspondence to Leslie A. Chisholm.

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Chisholm, L.A., Whittington, I.D. Malalophus jensenae n. g., n. sp. (Monogenea: Monocotylidae) from the gills of Aetomylaeus vespertilio (Myliobatidae) off northern Australia. Syst Parasitol 73, 81–86 (2009). https://doi.org/10.1007/s11230-009-9176-8

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  • DOI: https://doi.org/10.1007/s11230-009-9176-8

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