First record and a new species of Foxiphalus Barnard, 1979 (Crustacea: Amphipoda: Phoxocephalidae) from the Atlantic Ocean, with two new records of the family from northeastern Brazil

Q3 Agricultural and Biological Sciences

Papeis Avulsos de Zoologia Pub Date : 2022-10-04 DOI:10.11606/1807-0205/2022.62.055

L. F. Andrade, A. R. Senna, J. F. Souza-Filho

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Abstract

A new species of Foxiphalus Barnard, 1979 is described. The material examined was collected as part of the project "Avaliação da biota bentônica e planctônica da Bacia Potiguar e Ceará" (BPOT), off northeastern Brazilian continental slope on the state of Rio Grande do Norte at depths ranging from 135 to 283 meters. Foxiphalus potiguara sp. nov. is recognized among its congeners by: rostrum slightly exceeding the article 2 of antenna 1; lower lip outer lobes with strong shoulder cusps; maxilliped inner plate with two apical robust setae; gnathopod 2 carpus shortened; pereopod 5 basis tapering distally; and epimeral plate 3 posterior margin weakly crenulated. This is the first record of Foxiphalus for the Atlantic Ocean and we provide an amended diagnosis of the genus and an identification key to its world species. In addition, two new records of Phoxocephalidae are reported from northeastern Brazil: Heterophoxus shoemakeri Andrade & Senna, 2020 and Metharpinia dentiurosoma Alonso de Pina, 2003.

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Foxiphalus Barnard的第一个记录和一个新种，1979年来自大西洋（甲壳纲：两栖目：Phoxocephalidae），该科的两个新记录来自巴西东北部

本文记述了巴纳德狐猴（Foxiphalus Barnard）一新种，1979年。所检查的材料是作为“Avaliação da biota bentônica e planctônic da Bacia Potiguar e Ceará”项目（BPOT）的一部分收集的，该项目位于北里奥格兰德州巴西东北部陆坡附近，深度135至283米。potiguara Foxiphalus sp.nov.在其同源物中被认为是：主席台略超过天线1的第2条；下唇外部裂片具强壮的肩尖；上颌骨的内板，有两个顶端坚固的刚毛；颚足2长果缩短；多年生植物5基部向上逐渐变细；和外板3后边缘弱细锯齿。这是Foxiphalus在大西洋的第一个记录，我们提供了该属的修正诊断和其世界物种的鉴定钥匙。此外，巴西东北部还报告了两个新的Phoxocephalidae记录：Anrade&Senna，2020和Alonso de Pina，2003。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Papeis Avulsos de Zoologia Agricultural and Biological Sciences-Animal Science and Zoology

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

8 weeks

期刊介绍： Papéis Avulsos de Zoologia to publish original contributions in systematics, paleontology, evolutionary biology, ecology, taxonomy, anatomy, behavior, functional morphology, molecular biology, ontogeny, faunistic studies, and biogeography. Its abbreviated title is Pap. Avulsos de Zool. (São Paulo), which should be used in bibliographies, footnotes and bibliographical references and strips.