Up to now, 19 species in eight genera and two families (Dorvilleidae and Oenonidae) of polychaetes are known to be endoparasitic in the body of other polychaetes. In this paper, we describe Endovermis seisuiae gen. et sp. nov. as the first representative of Phyllodocidae parasitizing other polychaetes. Specimens of E. seisuiae were found in the body cavity of Aphrodita sp. (Aphroditidae) and Lepidonotus sp. (Polynoidae) collected from muddy sediment, 216–218 m deep, off central Japan, the western North Pacific. Our multi-locus molecular phylogenetic analysis based on COI, 16S, 18S, and 28S sequences along with other phyllodocids for which sequences were available in public databases suggested that Endovermis as sister to the clade formed by Paranaitis Southern, 1914 and Eteone Savigny, 1922. urn:lsid:zoobank.org:pub:B4C50ABC-C3D5-4899-AAB6-1304FC08B0CF

中文翻译：

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蠕虫中的外来蠕虫：来自鳞虫（Aphroditidae 和 Polynoidae，Annelida）的内寄生多毛类（Phyllodocidae，Annelida）的新属

迄今为止，已知多毛纲8属2科19种（Dorvilleidae和Oenonidae）寄生于其他多毛纲动物体内。在本文中，我们描述了 Endovermis seisuiae gen。等 sp. 十一月 作为寄生于其他多毛类动物的 Phyllodocidae 的第一个代表。在 Aphrodita sp. 的体腔中发现了 E. seisuiae 的标本。(Aphroditidae) 和 Lepidonotus sp。(Polynoidae) 从泥质沉积物中收集，深 216-218 m，位于日本中部，北太平洋西部。我们基于 COI、16S、18S 和 28S 序列以及其序列在公共数据库中可用的其他叶状科动物的多位点分子系统发育分析表明，Endovermis 是由 Paranaitis Southern（1914 年）和 Eteone Savigny（1922 年）形成的进化枝的姐妹。 urn:lsid:zoobank.org:pub: