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首页> 外文期刊>Journal of Parasitology >KROEYERINA DEETSORUM N. SP. (COPEPODA: KROYERIIDAE) FROM THE OLFACTORY SACS OF ATLANTIC SHARPNOSE SHARKS (RHIZOPRIONODON TERRAENOVAE) CAPTURED IN THE GULF OF MEXICO AND NORTHWESTERN ATLANTIC AND FIRST REPORT OF COPEPODIDS REPRESENTING KROYERIIDAE
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KROEYERINA DEETSORUM N. SP. (COPEPODA: KROYERIIDAE) FROM THE OLFACTORY SACS OF ATLANTIC SHARPNOSE SHARKS (RHIZOPRIONODON TERRAENOVAE) CAPTURED IN THE GULF OF MEXICO AND NORTHWESTERN ATLANTIC AND FIRST REPORT OF COPEPODIDS REPRESENTING KROYERIIDAE

机译：KROEYERINA DEETSORUMN.SP。 （COPEPODA：KROYERIIDAE）取自墨西哥和西北大西洋沿岸的大西洋锋利鲨鱼（RHIZOPRIONODON TERRAENOVAE）嗅觉囊壁和代表KROYERIEDAE的拟足纲的首次报告

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摘要

Kroeyerina deetsorum n. sp. (Copepoda: Kroyeriidae) is described from female and male specimens collected from the olfactory sacs of Atlantic sharpnose sharks, Rhizoprionodon terraenovae (Richardson, 1836), captured in the Gulf of Mexico and northwestern Atlantic. Kroeyerina deetsorum is easily distinguished from known congeners by the extremely small size of its adults (i.e., females about 1.2 mm total length and males about 1.0 mm total length). Kroeyerina deetsorum is also distinguished from its congeners by possessing a subquadrate rostrum without lobes or upturned horns. It is suspected that K. deetsorum belongs to a clade within Kroeyerina whose members only infect sharks. This report also provides first descriptions of a nauplius representing Kroeyerina and copepodids representing Kroyeriidae. The early-stage copepodid of K. deetsorum lacks a frontal organ and frontal filament and uses its chelate antennae to attach to its host.
机译：克罗耶利纳（Kroeyerina deetsorum） sp。 （Copepoda：Kroyeriidae）的描述是从采集于墨西哥湾和西北大西洋的大西洋锐齿鲨（Rhizoprionodon terraenovae）的嗅囊中收集的雌性和雄性标本（Richardson，1836）。 Kroeyerina deetsorum的成年个体极小（即，雌性全长约1.2毫米，雄性全长约1.0毫米），很容易与已知同类动物区分开。 Kroeyerina deetsorum的特征还在于其同类动物，它拥有一个中等水平的讲台，没有裂片或上翘的角。怀疑K. deetsorum属于Kroeyerina的一个进化枝，其成员仅感染鲨鱼。该报告还首次描述了代表克鲁氏蛙的无节幼体和代表克鲁氏科的蛇足纲。 deetsorum的早期足足缺乏额叶器官和额叶细丝，并使用其螯合触角附着在宿主上。

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