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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

Por: Jarquín González, Jani. Doctora [autor/a].
Carrera Parra, Luis Fernando [autor/a].
Tipo de material: Artículo
 en línea Artículo en línea Tema(s): Crustáceos marinos | Hargeria rapax | Hargeria chetumalensis | Tanaidacea | Morfología animalTema(s) en inglés: Marine crustaceans | Hargeria rapax | Hargeria chetumalensis | Tanaidacean | Animal morphologyDescriptor(es) geográficos: Quintana Roo (México) | Belice | Florida (Estados Unidos) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: PeerJ. volumen 2019, número 8, 7472 (2019), páginas 1-31. --ISSN: 2167-8359Número de sistema: 59659Resumen:
Inglés

Until now, Hargeriawas 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. rapaxis 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.

Recurso en línea: https://peerj.com/articles/7472/#
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Until now, Hargeriawas 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. rapaxis 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. eng

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