Abstract
The functional morphology of the scolex of two species ofTetrabothrius 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) andTetrabothrius 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. InT. pauliani the auricles were well developed and played a major role in the attachment process while the bothridia functioned as lateral shallow suckers. InTetrabothrius 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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Andersen, K.I., Lysfjord, S. The functional morphology of the scolex of twoTetrabothrius Rudolphi 1819 species (Cestoda; Tetrabothriidae) from penguins. Z. Parasitenkd. 67, 299–307 (1982). https://doi.org/10.1007/BF00927665
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DOI: https://doi.org/10.1007/BF00927665