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

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

Until now, Hargeria was considered a monospecific leptocheliid genus, with the species Hargeria rapax considered a taxon with a wide distribution, from the Northwestern Atlantic to the Mexican Caribbean. Herein, after a detailed revision of type and topotype materials and specimens collected from th...

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Main Authors: Jani Jarquín-González, Luis F. Carrera-Parra
Format: Article
Language:English
Published: PeerJ Inc. 2019-08-01
Series:PeerJ
Subjects:
Taxonomy
COI-barcoding
Morphology
Cryptic species
New species
Online Access:https://peerj.com/articles/7472.pdf
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spelling doaj-edcf058c0d2d4da19ef35551ea65b1e62020-11-25T02:03:07ZengPeerJ Inc.PeerJ2167-83592019-08-017e747210.7717/peerj.7472Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidenceJani Jarquín-González0Luis F. Carrera-Parra1Departamento de Sistemática y Ecología Acuática, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, MéxicoDepartamento de Sistemática y Ecología Acuática, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, MéxicoUntil now, Hargeria was considered a monospecific leptocheliid genus, with the species Hargeria rapax considered a taxon with a wide distribution, from the Northwestern Atlantic to the Mexican Caribbean. Herein, after a detailed revision of type and topotype materials and specimens collected from the Mexican Caribbean, a new species H. chetumalensis sp. nov. is described, and the redescription of H. rapax is provided. Also, we found a significant genetic divergence between the two species based on the nucleotide sequences of cytochrome oxidase subunit I, which support the morphological data. The morphological features used to recognize both species are also adequate to link males, females, and juvenile stages, although these species have a high intraspecific polymorphism.https://peerj.com/articles/7472.pdfTaxonomyCOI-barcodingMorphologyCryptic speciesNew species
collection DOAJ
language English
format Article
sources DOAJ
author Jani Jarquín-González
Luis F. Carrera-Parra
spellingShingle Jani Jarquín-González
Luis F. Carrera-Parra
Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence
PeerJ
Taxonomy
COI-barcoding
Morphology
Cryptic species
New species
author_facet Jani Jarquín-González
Luis F. Carrera-Parra
author_sort Jani Jarquín-González
title Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence
title_short Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence
title_full Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence
title_fullStr Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence
title_full_unstemmed Redescription of Hargeria rapax (Harger, 1879) and description of H. chetumalensis a new species from the Mexican Caribbean (Crustacea, Peracarida, Tanaidacea, Leptocheliidae) based upon morphological and molecular evidence
title_sort redescription of hargeria rapax (harger, 1879) and description of h. chetumalensis a new species from the mexican caribbean (crustacea, peracarida, tanaidacea, leptocheliidae) based upon morphological and molecular evidence
publisher PeerJ Inc.
series PeerJ
issn 2167-8359
publishDate 2019-08-01
description Until now, Hargeria was considered a monospecific leptocheliid genus, with the species Hargeria rapax considered a taxon with a wide distribution, from the Northwestern Atlantic to the Mexican Caribbean. Herein, after a detailed revision of type and topotype materials and specimens collected from the Mexican Caribbean, a new species H. chetumalensis sp. nov. is described, and the redescription of H. rapax is provided. Also, we found a significant genetic divergence between the two species based on the nucleotide sequences of cytochrome oxidase subunit I, which support the morphological data. The morphological features used to recognize both species are also adequate to link males, females, and juvenile stages, although these species have a high intraspecific polymorphism.
topic Taxonomy
COI-barcoding
Morphology
Cryptic species
New species
url https://peerj.com/articles/7472.pdf
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