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首页> 外文期刊>Journal of Nematology, with Annual of Applied Nematology >Neotobrilus nicsmolae n. sp. (Tobrilidae: Nematoda) and Chronogaster carolinensis n. sp. (Chronogasteridae: Nematoda) from Lake Phelps, North Carolina.
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Neotobrilus nicsmolae n. sp. (Tobrilidae: Nematoda) and Chronogaster carolinensis n. sp. (Chronogasteridae: Nematoda) from Lake Phelps, North Carolina.

机译：尼古伯球菌sp。 （Tobrilidae：线虫）和Chronogaster carolinensis。 sp。 （Chronogasteridae：Nematoda）来自北卡罗来纳州菲尔普斯湖。

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摘要

Two new species, Neotobrilus nicsmolae n. sp. and Chronogaster carolinensis n. sp. are described from a small, acidic, temperate, natural lake in North Carolina. N. nicsmolae n. sp. comes close to three members of the genus reported from North America, N. filipjevi, N. longus, and N. hopei. However, N. nicsmolae is unique with in the genus in having a combination of characters: size smaller than 1,700 mm, shorter outer labial and cephalic setae, tail shorter than 250 mm, last ventromedian supplement close (about 5 mm) to cloacal opening, spicule length of 61 to 85 mm, flagelloid sperm, and possession of subterminal setae. Assessment of relationships among clades within the Triplonchida using DNA sequences of the D2D3 expansion segment of the LSU rDNA showed that the family Trichodoridae and the genus Tripyla were recovered as monophyletic. The genus Tobrilus was recovered as monophyletic in the neighbor-joining and maximum likelihood trees, but that was not so in the maximum-parsimony tree. The separation among genera of the Trichodoridae, i.e., Trichodorus and Paratrichodorus, was not clear-cut in all phylograms. Chronogaster carolinensis n. sp. in having one ventral mucro with no spine and vacuolated lateral glandular bodies comes close to C. typica and C. ethiopica but differs from all hitherto known species in a combination of characteristics: in having long cephalic setae, long stoma, crystalloid bodies, vacuolated lateral glandular bodies, and a tail terminus with blunt ventral mucro, and its lack of lateral line.
机译：两个新种，新弓形虫nicsmolae n。 sp。和Chronogaster carolinensis n。 sp。从北卡罗莱纳州的一个酸性，温带的天然小湖中描述。尼科莫斯猪笼草sp。来自北美的N. filipjevi，N。longus和N. hopei接近该属的三个成员。但是，尼科猪笼草在种属中是独特的，具有以下特征：大小小于1,700毫米，外唇和头齿菌毛较短，尾巴短于250毫米，最后泄密的腹侧补足（约5毫米）靠近泄殖腔开口，针刺长61至85毫米，鞭毛精子，并具近生刚毛。使用LSU rDNA的D2D3扩展片段的DNA序列评估Triplonchida内进化枝之间的关系，结果表明，Trichodoridae家族和Tripyla属被恢复为单系的。 Tobrilus属在邻近的连接树和最大似然树中被恢复为单系，但在最大简约树中并非如此。在所有的系统志中，并没有明确地区分T科的属，即T科和Para科。卡罗纳州变色龙sp。具有一个没有脊柱的腹侧粘膜并且空泡的腺体接近于C. typica和C. ethiopica，但是在所有方面都与迄今已知的物种有所不同：具有长头实齿，长气孔，晶体体，空泡腺体，尾端有钝的腹部粘膜，缺乏侧线。

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