虫上有虫：Calamyzinae （环节动物门，Chrysopetalidae）两个罕见属，包含新种描述。

Worm on worm: Two rare genera of Calamyzinae (Annelida, Chrysopetalidae), with a description of new species.

机构信息

Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, Toba, Mie 517-0004, Japan; Centre for Marine & Coastal Studies, Universiti Sains Malaysia 11800 USM, Penang, Malaysia.

Research Institute for Global Change (RIGC), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokosuka, Kanagawa 237-0061, Japan.

出版信息

Parasitol Int. 2022 Oct;90:102619. doi: 10.1016/j.parint.2022.102619. Epub 2022 Jun 28.

DOI:10.1016/j.parint.2022.102619

PMID:35777655

Abstract

Marine annelids in the subfamily Calamyzinae (family Chrysopetalidae) are either symbiotic or free-living forms that have been mainly reported from deep-sea chemosynthetic environments. Symbiotic calamyzines predominantly live in the mantle cavity of bivalves distributing at hydrothermal vents or methane seeps except for two species inhabiting the epidermis of polychaetes and octopuses. In this study, we describe a new species, Calamyzas crambon sp. nov., from Japan and report a new record of Nautiliniella calyptogenicola from the Mariana Trench. We also provide the phylogenetic position of the two species within Chrysopetalidae based on four gene markers (COI, 16S, 18S, and H3).

摘要

海洋环节动物在 Calamyzinae 亚科（Chrysopetalidae 科）中是共生或自由生活的形式，主要报道于深海化学合成环境中。共生的 calamyzines 主要生活在双壳类动物的套膜腔中，分布在热液喷口或甲烷渗漏处，除了两个物种栖息在多毛类和章鱼的表皮中。在这项研究中，我们描述了一个来自日本的新物种，Calamyzas crambon sp. nov.，并报告了一个来自马里亚纳海沟的 Nautiliniella calyptogenicola 的新记录。我们还基于四个基因标记（COI、16S、18S 和 H3）提供了这两个物种在 Chrysopetalidae 中的系统发育位置。