A new genus of ectoparasitic marine annelids living on ctenophores, Ctenophoricola gen. nov., is described and its feeding behaviour, reproduction and developmental stages are discussed. Its unusual morphology challenged its placement within the known marine families. However, analyses of mitochondrial and nuclear sequence data showed the new genus as member of the Alciopini, a group of holopelagic annelids included within the Phyllodocidae. Ctenophoricola masanorii sp. nov. from Japan and Ctenophoricola rousei sp. nov. from the Canary Islands (Spain) are described. A third species from the Gulf of California is not formally described because the specimens are in poor condition. The new genus is characterized by having: 1) two distinctive body regions, the anterior with reduced parapodia lacking chaetae, and the posterior with long parapodia and chaetae and 2) a pair of large, elongate lensed eyes. These eyes are here described using histology and 3D reconstruction based on a Californian specimen. The two new species mainly differ in colour pattern, shape of parapodia, number of chaetae and body ciliation.

中文翻译：

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新的海洋类动物共生协会：梳果冻的外寄生虫

生活在十足动物身上的一种新的外寄生海洋类弯孢菌，Ctenophoricola gen。十一月 进行了描述，并讨论了其摄食行为，繁殖和发育阶段。它不寻常的形态挑战了它在已知海洋家族中的位置。然而，对线粒体和核序列数据的分析显示，该新属是Alciopini的成员，Alciopini是一种包括在毛doc科中的全鳞翅类无脊椎动物。玛氏假单胞菌 十一月 来自日本和Ctenophoricola rousei sp。十一月从加那利群岛（西班牙）进行了描述。由于标本状况不佳，因此未正式描述来自加利福尼亚湾的第三种。新属的特征是具有：1）两个独特的身体区域，前视力减少的足旁突减少而后足缺乏，而后视者的足旁足突和后足则长，并且2）一对大而细长的晶状眼。这些眼睛是根据加利福尼亚标本使用组织学和3D重建进行描述的。这两个新物种主要在颜色模式，伪足的形状，壳状病毒的数量和体纤毛方面有所不同。