1987
DOI: 10.2307/3282323
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Scanning Electron Microscopy of the Scolex of the Plerocercus Callitetrarhynchus gracilis (Rudolphi, 1819) (Cestoda: Trypanorhyncha)

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Cited by 9 publications
(13 citation statements)
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“…As our results (Fig. ) are in agreement with the microthrix pattern of this species described formerly (see Carvajal et al, ; Palm, ; Chervy, ), we emphasize the surfaces of the segments covered with scutes, structures that are described for the first time from this species (Fig. F–H).…”
Section: Resultssupporting
confidence: 93%
“…As our results (Fig. ) are in agreement with the microthrix pattern of this species described formerly (see Carvajal et al, ; Palm, ; Chervy, ), we emphasize the surfaces of the segments covered with scutes, structures that are described for the first time from this species (Fig. F–H).…”
Section: Resultssupporting
confidence: 93%
“…1 surface features are like those of some pseudophyllidean plerocercoids and cyclophyllidean metacestodes. Although palmate microtriches have been found on the tegument of several trypanorhynches (Halton and McKerr 1979;Whittaker et al 1982;McCllough and Fairweather 1983;Andersen 1987;Carvajal et al 1987;Ashour 1991;Richmond and Caira 1991), this feature is absent on the G. gigas plerocercoid tegument, in agreement with the ®nding reported by Caira and Bardos (1996) in the adult stage of G. isuri. Both data contradict the proposal suggested by Richmond and Caira (1991), Whittaker et al (1985), Shields (1985), and Ashour (1991), who considered the palmate microtriches to be a synapomorphy for members of the order Trypanorhyncha.…”
Section: Discussionsupporting
confidence: 88%
“…She reported "normal" microtriches on the strobila but made no mention of the filiform microthrix type. Carvajal et al (1987) examined only the bothridial regions of the scolex of larvae of Callitetrarhynchus gracilis (Lacistorhynchidae) and reported palmate microtriches that differed in the number of digitiform extensions from three on the proximal surfaces to five on the distal surfaces of the bothridia. The palmate microtriches on the distal surfaces were densely packed in some regions, but distinctive triangular regions of few microtriches were distributed throughout the surface.…”
Section: Discussionmentioning
confidence: 99%
“…McCullough & Fairweather, 1983;Shields, 1985;Carvajal et al, 1987). The systematic utility of these characters can, however, only be determined by investigating their intraspecific and interspecific variability.…”
Section: Introductionmentioning
confidence: 99%