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梅奥多维尔属（Meiodorvillea Jumars，1974）的修订，包括对来自西南大西洋的三个新物种的描述（环节动物门：多毛纲海蛹科）

Revision of Meiodorvillea Jumars, 1974 (Annelida: Dorvilleidae) including descriptions of three new species from the Southwestern Atlantic Ocean.

作者信息

de Oliveira Bonaldo Rafael, Menchini Steiner Tatiana, Zacagnini Amaral Antônia Cecília

机构信息

Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.

Laboratório de Biodiversidade Bêntica Marinha, Departamento de Biologia Animal, Instituto de Biologia, Universidade Estadual de Campinas, Campinas, São Paulo, Brazil.

出版信息

PLoS One. 2022 Mar 2;17(3):e0264081. doi: 10.1371/journal.pone.0264081. eCollection 2022.

DOI:10.1371/journal.pone.0264081
PMID:35235589
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8890639/
Abstract

Meiodorvillea Jumars, 1974 is a little-known genus of Dorvilleidae Chamberlin, 1919, characterized by its small size and reduced appendages and jaw apparatus. A revision of the genus is presented, including analysis of the type material of M. minuta (Hartman, 1965) and M. apalpata Jumars, 1974, as well as specimens collected from shelf and slope continental areas in Brazil. A neotype was designated for M. minuta and its distribution was extended to Brazil. The identity of M. chilensis (Hartmann-Schröder, 1965) is questioned and three new species from 21 to 1,300.7 meters depth are also described. Meiodorvillea penhae sp. nov. has furcate chaeta only in the first anterior chaetigers. In contrast, Meiodorvillea hartmanae sp. nov. has very small palps and asymmetrical thin furcate chaeta and Meiodorvillea jumarsi sp. nov. has dorsal cirri and geniculate chaeta only in the first anterior chaetigers.

摘要

迈奥多维尔属（Meiodorvillea）由朱马斯（Jumars）于1974年建立，是多维尔科（Dorvilleidae）（钱伯林，1919年）中一个鲜为人知的属，其特征是体型小且附肢和颚器退化。本文对该属进行了修订，包括对微小迈奥多维尔（Meiodorvillea minuta）（哈特曼，1965年）和无触须迈奥多维尔（Meiodorvillea apalpata）（朱马斯，1974年）的模式标本进行分析，以及对从巴西大陆架和陆坡区域采集的标本进行分析。为微小迈奥多维尔指定了新模标本，并将其分布范围扩展至巴西。对智利迈奥多维尔（Meiodorvillea chilensis）（哈特曼 - 施罗德，1965年）的身份提出质疑，并描述了3个新物种，其深度范围为21米至1300.7米。新物种彭哈迈奥多维尔（Meiodorvillea penhae）仅在前端第一节有叉状刚毛。相比之下，新物种哈特曼迈奥多维尔（Meiodorvillea hartmanae）有非常小的触须和不对称的细叉状刚毛，而新物种朱马斯迈奥多维尔（Meiodorvillea jumarsi）仅在前端第一节有背须和膝状刚毛。

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