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首页> 外文期刊>Comparative parasitology >Two New Species of Hapalorhynchus (Digenea: Spirorchiidae) from Freshwater Turtles (Testudines: Geoemydidae) in Malaysia
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Two New Species of Hapalorhynchus (Digenea: Spirorchiidae) from Freshwater Turtles (Testudines: Geoemydidae) in Malaysia

机译：马来西亚淡水乌龟的两个新种（双子纲：Spiororchiidae）（Testudines：Geoemydidae）

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摘要

Hapalorhynchus snyderi n. sp. and Hapalorhynchus tkachi n. sp. are described from the circulatory systems of the Malayan snail-eating turtle, Malayemys subtrijuga (Testudines: Geoemydidae) and the black marsh turtle, Siebenrockiella crassicollis (Testudines: Geoemydidae), respectively. Both of the new species are described from hosts in the family Geoemydidae, while previous species reported from Malaysia (Hapalorhynchus macrotesticularis and Hapalorhynchus mgatus) were described from soft-shelled turtles (Family Trionychidae). Both new species can be differentiated from H. rugatus Brooks and Sullivan (1981) in that they lack the rugae on the hindbody that is characteristic of H. rugatus. Hapalorhynchus snyderi n. sp. is most similar to H. macrotesticularis (Rohde, Lee, and Lim, 1968) but is much smaller and differs from that species in a suite of morphometric criteria. In addition, H. snyderi possesses intestinal cecae that are simple and straight while the cecae in H. macrotesticularis are highly sinuous, particularly in the posttesticular region. Hapalorhynchus tkachi n. sp. can be differentiated from H. snyderi by its much smaller size (<1 mm in total length), the presence of a distinct constriction at the level of the acetabulum, and the more-posterior location of the ventral sucker.
机译：臭sp。和Hapalorhynchus tkachi n。 sp。分别从马来食蜗牛的乌龟Malayemys subtrijuga（Testudines：Geoemydidae）和黑沼泽乌龟Siebenrockiella crassicollis（Testudines：Geoemydidae）的循环系统中进行了描述。这两个新物种都从土em科的寄主中描述，而马来西亚报道的先前物种（大testHapalorhynchus和Hapalorhynchus mgatus）是从soft龟（Tri科）描述的。两种新物种都可以与rug。H. rugatus Brooks和Sullivan（1981）区别开来，因为它们在rug。rugatus特有的后体上缺少rugae。臭sp。与大睾丸炎最相似（Rohde，Lee和Lim，1968年），但体积小得多，并且在一系列形态计量标准中与该物种不同。此外，S。snyderi的肠盲肠简单而笔直，而大肠杆菌的盲肠高度弯曲，尤其是在睾丸后区域。哈帕罗汉奇斯sp。可以通过它的小得多的大小（总长度小于1毫米），在髋臼水平上存在明显的收缩以及腹侧吸盘的更后方位置来区别于S. sderderi。

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