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首页> 外文期刊>Comparative parasitology >A new genus and species of tetraphyllidean cestode from the Spadenose shark, Scoliodon laticaudus, in Malaysian Borneo
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A new genus and species of tetraphyllidean cestode from the Spadenose shark, Scoliodon laticaudus, in Malaysian Borneo

机译：来自马来西亚婆罗洲的Spadenose鲨Scoliodon laticaudus的四叶鞭尾c的新属和种

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摘要

One of 23 specimens of the Spadenose shark, Scoliodon laticaudus (Elasmobranchii: Carcharhiniformes: Carcharhinidae), necropsied for tapeworms in Mukah, Sarawak, in Malaysian Borneo between 2002 and 2003 was found to host a new genus and species of tetraphyllidean tapeworm belonging to the family Phyllobothriidae. Ruhnkecestus latipi n. g., n. sp. is described from 4 specimens, 3 prepared as whole mounts and 1 from which the strobila was prepared as a whole mount, and the scolex prepared for examination with scanning electron microscopy. The genus is unique among phyllobothriids in that each bothridium bears 1 anterior, 3 central, and 2 posterior facial loculi. Its microthrix pattern, proglottid anatomy, and host associations suggest that its affinities are with the Phyllobothriinae. Among the Phyllobothriinae it most closely resembles species of Paraorygmatobothrium in its possession of a scutellate neck and serrated microtriches on its proximal bothridial surfaces, as well as a tetralobed ovary and vitellaria that are interrupted by the ovary. This represents the first report of a tetraphyllidean tapeworm from the monotypic shark genus Scoliodon.
机译：在2002年至2003年之间，在婆罗洲的砂拉越Mukah剖检了Spadenose鲨鱼Scoliodon laticaudus（Elasmobranchii：Carcharhiniformes：Carcharhinidae）的23个标本之一，发现该标本拥有一种新的属四叶tetra属tape虫属和种。科。乳杆菌g。 sp。用4个标本描述了这一点，其中3个标本是整体安装的，1个标本是作为整体标本制备的闪闪发光的，而斯库莱克斯则准备用扫描电子显微镜检查。该属在叶脉纲中是独特的，因为每个铱中有1个前额，3个中央和2个后额室。它的微蓟马模式，前突解剖和宿主关联表明其亲缘关系与Phyllobothriinae相同。在竹节虫科中，它最类似于拟原虫属的物种，在其近侧的两面均具有盾形的脖子和锯齿状的微tri，以及被卵巢打断的四叶形的卵巢和黄vi。这是来自单型鲨鱼Scoliodon属的四叶类tape虫的首次报道。

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