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来自北美的古楚（2016年，甲壳纲，囊虾总目，异虾目，瘦螯虾科）：利用形态学和分子数据的新物种、重新描述及分布情况

Guţu, 2016 (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) from North America: new species, redescription and distribution using morphological and molecular data.

作者信息

Jarquín-González Jani, Carrera-Parra Luis F

机构信息

División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Chetumal, Chetumal, Quintana Roo, México.

Departamento de Sistemática y Ecología Acuática, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, México.

出版信息

PeerJ. 2022 Jan 21;10:e12773. doi: 10.7717/peerj.12773. eCollection 2022.

DOI:10.7717/peerj.12773
PMID:35116196
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8785663/
Abstract

Until now, four species of the genus Guţu, 2016 have been recorded from America. Using morphological and molecular data, we were able to recognize and describe two new species, sp. nov. from the Mexican Caribbean and sp. nov. from the Gulf of Mexico. We found significant genetic divergence values between species based on the nucleotide sequences of cytochrome oxidase subunit I to support the morphological data. Also, the range of distribution of two species: (Jarquín-González, García-Madrigal & Carrera-Parra, 2015) and (Jarquín-González, 2016), were expanded within their described geographic regions. In contrast, the supposed distribution of the Brazilian in the Mexican Caribbean and the Gulf of Mexico was rejected. Additionally, (Harger, 1878) was redescribed based upon type material. Minute details and ornamentation of some structures of three species were examined using SEM.

摘要

截至目前，美洲已记录到古图属（Guţu，2016）的四个物种。通过形态学和分子数据，我们识别并描述了两个新物种，来自墨西哥加勒比地区的新物种和来自墨西哥湾的新物种。基于细胞色素氧化酶亚基I的核苷酸序列，我们发现物种之间存在显著的遗传差异值，以支持形态学数据。此外，两个物种：（Jarquín-González，García-Madrigal & Carrera-Parra，2015）和（Jarquín-González，2016）的分布范围在其描述的地理区域内得到了扩展。相比之下，巴西物种在墨西哥加勒比地区和墨西哥湾的假定分布被否定。此外，基于模式标本对（Harger，1878）进行了重新描述。使用扫描电子显微镜检查了三个物种某些结构的细微细节和纹饰。

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Redescription of (Harger, 1879) and description of a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence.
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