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Macrourimegatrema gadoma n. sp. (Digenea: Opecoelidae) from the doublethread grenadier Gadomus arcuatus (Goode & Bean) (Macrouridae) in the Gulf of Mexico and Caribbean Sea

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Abstract

Macrourimegatrema gadoma n. sp. (Digenea: Opecoelidae: Plagioporinae) is described from the pyloric caeca and intestine of the doublethread grenadier Gadomus arcuatus (Goode & Bean) (Macrouridae) collected from the northeastern Gulf of Mexico and off Venezuela. The new species differs from Macrourimegatrema brayi Blend, Dronen & Armstrong, 2004, the type and only species in the genus, in the distribution of the vitelline follicles and gonads, a larger body size, and the presence of highly-folded caeca with numerous outpocketings or pouches. It is suggested that species of Macrourimegatrema Blend, Dronen & Armstrong, 2004 probably infect their piscine hosts through the ingestion of a benthopelagic crustacean.

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Acknowledgements

The authors gratefully thank Dr John D. McEachran, Dr Kathryn Vaughan and Heather Prestridge, Department of Wildlife and Fisheries Sciences, Texas A&M University, College Station, Texas for assistance in identifying host fish and for providing us access to fish in their collections. We also thank Mrs. Eileen Harris, the Natural History Museum, London, UK for her assistance in depositing the type-material. We are grateful to the Tisch Library at Tufts University, Medford, Massachusetts for access to and use of their on-line literature database.

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Authors and Affiliations

  1. Department of Biology, Gordon College, 255 Grapevine Road, Wenham, MA, 01984, USA

    Charles K. Blend

  2. Laboratory of Parasitology, Department of Wildlife and Fisheries Sciences, College of Agriculture and Life Sciences, Texas A&M University, College Station, TX, 77843-2258, USA

    Norman O. Dronen & Howard W. Armstrong

Authors
  1. Charles K. Blend
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  2. Norman O. Dronen
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  3. Howard W. Armstrong
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Correspondence to Charles K. Blend.

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Blend, C.K., Dronen, N.O. & Armstrong, H.W. Macrourimegatrema gadoma n. sp. (Digenea: Opecoelidae) from the doublethread grenadier Gadomus arcuatus (Goode & Bean) (Macrouridae) in the Gulf of Mexico and Caribbean Sea. Syst Parasitol 67, 93–99 (2007). https://doi.org/10.1007/s11230-006-9074-2

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  • DOI: https://doi.org/10.1007/s11230-006-9074-2

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