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首页> 外文期刊>Journal of Parasitology >Hamulonema Gen. Nov. for Teladorsagia hamata and OStertagia kenyensis in the Ostertagiine Fauna (Nematoda: Trichostrongyloidea) From African Ungulates
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Hamulonema Gen. Nov. for Teladorsagia hamata and OStertagia kenyensis in the Ostertagiine Fauna (Nematoda: Trichostrongyloidea) From African Ungulates

机译：Hamulonema Gen. Nov.，来自非洲的Ostertagiine动物区系（Nematoda：Trichostrongyloidea）中的Teladorsagia hamata和OStertagia kenyensis

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摘要

Hamulonema gen. nov. is proposed for Teladorsagia hamata and Ostertagia kenyensis in the ostertagiine nematode fauna found in artiodactyl hosts from Africa. Monomorphic species representing this genus are characterized by a bilaterally symmetrical and parallel synlophe in males and females, a 2-2-1 bursal formula, an accessory bursal membrane that is strongly cuticularized and reduced, a strongly reduced dorsal lobe and ray, and robust spicules with a simple, weakly pointed, ventral process, and curved, hooklike dorsal process. Species referred to Hamulonema nov. gen. are immediately distinguished from those of Camelostrongylus, Longistrongylus, Marshallagia, Orloffia, Ostertagia, and Pseudomarshallagia in which the bursal formula is 2-1-2 in males. Hamulonema nov. gen. is distinguished from those genera having a 2-2-1 bursa, including Africanastrongylus, Cervicaprastrongylus, Hyostrongylus, Mazamastrongylus, Sarwaria, Spiculopteragia, and Teladorsagia by the structure of the synlophe, bursa, genital cone, “0” and “7” papillae, dorsal lobe, and spicules in specific instances. In the global fauna, 4 of 14 ostertagiine genera are endemic to Africa. African genera may represent morphologically divergent and discrete or historically isolated lineages reflecting a pattern of geographic and host colonization as a driver for diversification since the Miocene.
机译：Hamulonema gen。十一月有人建议在非洲的偶蹄动物宿主中发现的ostertagiine线虫动物中的Teladorsagia hamata和Ostertagia kenyensis。代表该属的单形种的特征是雄性和雌性双侧对称和平行的舌齿，2-2-1的法氏囊配方，强烈的表皮化和还原的副法膜，强烈的背叶和射线还原以及坚硬的针刺具有简单的，弱尖的腹侧过程和弯曲的，钩状的背侧过程。提到Hamulonema nov的物种。 gen。立即区别于男性的法氏囊公式为2-1-2的Camelostrongylus，Longistrongylus，Marshallagia，Orloffia，Ostertagia和Pseudomarshallagia那些。 Hamulonema十一月gen。通过舌突，法氏囊，生殖锥，“ 0”和“ 7”乳突的结构，与具有2-2-1滑囊的属区分开来，包括非洲象鼻虫，颈尾猴，扁毛虫，马扎马氏毛虫，Sarwaria，螺旋藻和尖齿sa属。背叶，在特定情况下为针状。在全球动物区系中，14个ostertagiine属中有4个是非洲特有的。非洲属可能代表了形态上分歧的，离散的或历史上孤立的世系，反映了中新世以来地理和宿主殖民化的模式，是多样化的驱动力。

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