Systematic Parasitology

, Volume 72, Issue 3, pp 217–227 | Cite as

Two new species of Anthobothrium van Beneden, 1850 (Tetraphyllidea: Phyllobothriidae) from carcharhinid sharks, with a redescription of Anthobothrium laciniatum Linton, 1890

  • T. R. RuhnkeEmail author
  • J. N. Caira


Anthobothrium laciniatum Linton, 1890 is redescribed based on specimens taken from the dusky shark Carcharhinus obscurus (Lesueur) collected from the Northwestern Atlantic Ocean, and a neotype is designated. A. laciniatum differs from A. cornucopia van Beneden, 1850, A. altavelae Euzet & Ben Hassine, 2002, A. lesteri Williams, Burt & Caira, 2004 and A. spinosum Subhapradha, 1955 in total length. It further differs from A. cornucopia, A. altavelae and A. spinosum in proglottid number, and differs from A. galeorhini Suriano, 2002, A. cornucopia, and A. spinosum in testis number. A. lyndoni n. sp. is described from the sandbar shark C. plumbeus (Nardo). This new species differs from A. laciniatum in ovarian width and from A. cornucopia, A. altavelae, A. galeorhini and A. spinosum in the total number of proglottids. It further differs from A. cornucopia, A. galeorhini, and A. spinosum in total length, and from A. cornucopia and A. galeorhini in the number of testes. A. lyndoni n. sp. differs from A. lesteri in bothridial muscle and ovarian morphology. Anthobothrium caseyi n. sp. is described from Prionace glauca (Linnaeus). This new species differs conspicuously from the other six species of Anthobothrium van Beneden, 1850 (sensu stricto) in the shape of its proglottid laciniations. The taxonomic status of 43 species that have been associated with Anthobothrium is addressed. Taxonomic actions regarding Anthobothrium during the past century have resulted in a polyphyletic taxon.


Sensu Stricto Genital Atrium Blue Shark Sandbar Shark United States National Parasite Collection 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The collection of many of the sharks examined here was conducted in conjunction with the NOAA, National Marine Fisheries Service (NMFS), Northeast Fisheries Science Center Apex Predators Program shark tagging cruises on their Research Vessels Delaware II (1991), Pelican (1996) and Oregon II (1996). We thank Drs Nancy Kohler, Lisa Natanson and Jack Casey for making our participation in those cruises possible. In particular we thank Paul Cislo and Kirsten Jensen for collecting some of the sharks from which the worms examined here were taken. We also thank Justin McCormick, Kaitlin Mehle and Sonya Shamblin for assistance in measuring specimens. This work was support in part by NSF NSF-PEET (DEB 9521943 & 0118882), and the NSF REU program.


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© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  1. 1.Department of BiologyWest Virginia State UniversityInstituteUSA
  2. 2.Department of Ecology and Evolutionary BiologyThe University of ConnecticutStorrsUSA

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