The functional morphology of the scolex of twoTetrabothrius Rudolphi 1819 species (Cestoda; Tetrabothriidae) from penguins (original) (raw)
Abstract
The functional morphology of the scolex of two species of_Tetrabothrius_ from penguins from Bouvet Island in the Antarctic as revealed by scanning electron and light microscopy is described. These two species,T. pauliani from chintrap penguins (Pygoscelis antarctica) and_Tetrabothrius_ sp. from macaroni penguins (Edyptes chrysolophus), possessed scoleces with a somewhat different appearance and the way in which they attach to the host gut also turned out to be different. In_T. pauliani_ the auricles were well developed and played a major role in the attachment process while the bothridia functioned as lateral shallow suckers. In_Tetrabothrius_ sp. the auricles were very small and played an inferior role in the attachment process while the bothridia acted as powerful anteriorly directed cup-like suckers.
In addition the definition of and the difference between cyclophyllidean acetabula and Tetrabothriidean bothridia are briefly discussed.
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Authors and Affiliations
- Zoological Museum, University of Oslo, Sars gt. 1, Oslo 5, Norway
Karin I. Andersen & Ståle Lysfjord
Authors
- Karin I. Andersen
- Ståle Lysfjord
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Andersen, K.I., Lysfjord, S. The functional morphology of the scolex of two_Tetrabothrius_ Rudolphi 1819 species (Cestoda; Tetrabothriidae) from penguins.Z. Parasitenkd. 67, 299–307 (1982). https://doi.org/10.1007/BF00927665
- Accepted: 16 April 1982
- Issue date: October 1982
- DOI: https://doi.org/10.1007/BF00927665