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Systematic Parasitology

, Volume 13, Issue 1, pp 71–77 | Cite as

Echinobothrium clavatum n. sp. (Cestoda, Diphyllidea) from the spiral valve of Raja clavata L., 1758, including a note on its ultrastructure and a key to species of the genus

  • A. J. Probert
  • B. Stobart
Article

Abstract

Echinobothrium clavatum n. sp. from the spiral valve of the thornback ray Raja clavata from the Irish Sea is described and illustrated. On the basis of the number of apical hooks it resembles most closely E. musteli but can be distinguished from it by the absence of spines on the rostellum and the different number of spines on the cephalic peduncle. A generic diagnosis together with a key to species of the genus is given. Transmission and scanning electron microscopy of the scolex indicates that the tegument of the rostellum is capable of taking up food by pinocytosis.

Keywords

Electron Microscopy Scanning Electron Microscopy Generic Diagnosis Apical Hook Spiral Valve 
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.

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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • A. J. Probert
    • 1
  • B. Stobart
    • 1
  1. 1.School of Animal BiologyUniversity College of North WalesBangorUK

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