Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)

Autores
Pardiñas, Ulyses Francisco José; Teta, Pablo Vicente; Voglino, Damián; Fernández, Fernando Julián
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
On the basis of an adult individual collected in 1955 plus 3 mandibles of latest Holocene age, we describe a new living species of the amphibious rat Holochilus (Sigmodontinae, Oryzomyini) from west-central Mendoza Province, Argentina. The new species is characterized by its short tail, broad zygomatic plate with rounded anterior-superior corner, bony palate without excrescences, large mesolophostyle in the upper first molars and complex upper third molar shorter than the second, and lacking the hypoflexus. The morphological traits displayed by this new Holochilus combine features observed in both the H. brasiliensis and H. sciureus groups with others unique among the genus (e.g., absence of hypoflexus). This new species is the southernmost expression of the genus along the western side of its current range, where it appears isolated in the middle part of the Río Atuel. The finding reported here uncovers and highlights unexpected diversity in southern South American arid lands.
Facultad de Ciencias Naturales y Museo
Materia
Ciencias Naturales
Holochilus brasiliensis
Holochilus chacarius
Holochilus sciureus
Mendoza
Oryzomyini
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/85421
Acceder
id SEDICI_5b563b419e06eed4ba6a1ba34e7d1ff3
oai_identifier_str oai:sedici.unlp.edu.ar:10915/85421
network_acronym_str SEDICI
repository_id_str 1329
network_name_str SEDICI (UNLP)
spelling Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)Pardiñas, Ulyses Francisco JoséTeta, Pablo VicenteVoglino, DamiánFernández, Fernando JuliánCiencias NaturalesHolochilus brasiliensisHolochilus chacariusHolochilus sciureusMendozaOryzomyiniOn the basis of an adult individual collected in 1955 plus 3 mandibles of latest Holocene age, we describe a new living species of the amphibious rat <i>Holochilus</i> (Sigmodontinae, Oryzomyini) from west-central Mendoza Province, Argentina. The new species is characterized by its short tail, broad zygomatic plate with rounded anterior-superior corner, bony palate without excrescences, large mesolophostyle in the upper first molars and complex upper third molar shorter than the second, and lacking the hypoflexus. The morphological traits displayed by this new <i>Holochilus</i> combine features observed in both the <i>H. brasiliensis</i> and <i>H. sciureus</i> groups with others unique among the genus (e.g., absence of hypoflexus). This new species is the southernmost expression of the genus along the western side of its current range, where it appears isolated in the middle part of the Río Atuel. The finding reported here uncovers and highlights unexpected diversity in southern South American arid lands.Facultad de Ciencias Naturales y Museo2013info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf231-240http://sedici.unlp.edu.ar/handle/10915/85421enginfo:eu-repo/semantics/altIdentifier/issn/0022-2372info:eu-repo/semantics/altIdentifier/doi/10.1644/12-MAMM-A-216info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-03T10:48:50Zoai:sedici.unlp.edu.ar:10915/85421Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-03 10:48:51.027SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
title Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
spellingShingle Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
Pardiñas, Ulyses Francisco José
Ciencias Naturales
Holochilus brasiliensis
Holochilus chacarius
Holochilus sciureus
Mendoza
Oryzomyini
title_short Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
title_full Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
title_fullStr Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
title_full_unstemmed Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
title_sort Enlarging rodent diversity in west-central Argentina: a new species of the genus Holochilus (Cricetidae, Sigmodontinae)
dc.creator.none.fl_str_mv Pardiñas, Ulyses Francisco José
Teta, Pablo Vicente
Voglino, Damián
Fernández, Fernando Julián
author Pardiñas, Ulyses Francisco José
author_facet Pardiñas, Ulyses Francisco José
Teta, Pablo Vicente
Voglino, Damián
Fernández, Fernando Julián
author_role author
author2 Teta, Pablo Vicente
Voglino, Damián
Fernández, Fernando Julián
author2_role author
author
author
dc.subject.none.fl_str_mv Ciencias Naturales
Holochilus brasiliensis
Holochilus chacarius
Holochilus sciureus
Mendoza
Oryzomyini
topic Ciencias Naturales
Holochilus brasiliensis
Holochilus chacarius
Holochilus sciureus
Mendoza
Oryzomyini
dc.description.none.fl_txt_mv On the basis of an adult individual collected in 1955 plus 3 mandibles of latest Holocene age, we describe a new living species of the amphibious rat <i>Holochilus</i> (Sigmodontinae, Oryzomyini) from west-central Mendoza Province, Argentina. The new species is characterized by its short tail, broad zygomatic plate with rounded anterior-superior corner, bony palate without excrescences, large mesolophostyle in the upper first molars and complex upper third molar shorter than the second, and lacking the hypoflexus. The morphological traits displayed by this new <i>Holochilus</i> combine features observed in both the <i>H. brasiliensis</i> and <i>H. sciureus</i> groups with others unique among the genus (e.g., absence of hypoflexus). This new species is the southernmost expression of the genus along the western side of its current range, where it appears isolated in the middle part of the Río Atuel. The finding reported here uncovers and highlights unexpected diversity in southern South American arid lands.
Facultad de Ciencias Naturales y Museo
description On the basis of an adult individual collected in 1955 plus 3 mandibles of latest Holocene age, we describe a new living species of the amphibious rat <i>Holochilus</i> (Sigmodontinae, Oryzomyini) from west-central Mendoza Province, Argentina. The new species is characterized by its short tail, broad zygomatic plate with rounded anterior-superior corner, bony palate without excrescences, large mesolophostyle in the upper first molars and complex upper third molar shorter than the second, and lacking the hypoflexus. The morphological traits displayed by this new <i>Holochilus</i> combine features observed in both the <i>H. brasiliensis</i> and <i>H. sciureus</i> groups with others unique among the genus (e.g., absence of hypoflexus). This new species is the southernmost expression of the genus along the western side of its current range, where it appears isolated in the middle part of the Río Atuel. The finding reported here uncovers and highlights unexpected diversity in southern South American arid lands.
publishDate 2013
dc.date.none.fl_str_mv 2013
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/85421
url http://sedici.unlp.edu.ar/handle/10915/85421
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/issn/0022-2372
info:eu-repo/semantics/altIdentifier/doi/10.1644/12-MAMM-A-216
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
231-240
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
_version_ 1842260364383748096
score 13.13397

Publicaciones similares