Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily

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A new tribe of sigmodontine rodents is formally defined and diagnosed. The tribe contains the extant genera Abrothrix (including Chroeomys), Chelemys, Geoxus, Pearsonomys, and Notiomys, a group of taxa distributed in the central and southern Andes and lowlands both east and west of the cordillera. T...

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Detalles Bibliográficos
Autores principales: D'Elía, G., Pardiñas, U.F.J., Teta, P., Patton, J.L.
Formato: JOUR
Materias:
Abrothrix
Chelemys
Chroeomys
Classification
Geoxus
Notiomys
Pearsonomys
South america
Rodentia
Sigmodontinae
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0717652X_v71_n2_p187_DElia
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id todo:paper_0717652X_v71_n2_p187_DElia
record_format dspace
spelling todo:paper_0717652X_v71_n2_p187_DElia2023-10-03T15:36:27Z Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily D'Elía, G. Pardiñas, U.F.J. Teta, P. Patton, J.L. Abrothrix Chelemys Chroeomys Classification Geoxus Notiomys Pearsonomys South america Abrothrix Chelemys Chroeomys Geoxus Notiomys Pearsonomys Rodentia Sigmodontinae A new tribe of sigmodontine rodents is formally defined and diagnosed. The tribe contains the extant genera Abrothrix (including Chroeomys), Chelemys, Geoxus, Pearsonomys, and Notiomys, a group of taxa distributed in the central and southern Andes and lowlands both east and west of the cordillera. The new tribe presents a unique combination of characters including nasals and premaxilla usually projected anterior to the incisors, moderately trumpeted; zygomatic plate with upper free border reduced or obsolete; and third upper molar reduced and sub-cylindrical in out-line with an internal ring-like enamel fossette. Molecular phylogenetic analyses indicate that Abrothrix is sister to a clade containing the remaining genera of the new tribe. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0717652X_v71_n2_p187_DElia
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Abrothrix
Chelemys
Chroeomys
Classification
Geoxus
Notiomys
Pearsonomys
South america
Abrothrix
Chelemys
Chroeomys
Geoxus
Notiomys
Pearsonomys
Rodentia
Sigmodontinae
spellingShingle Abrothrix
Chelemys
Chroeomys
Classification
Geoxus
Notiomys
Pearsonomys
South america
Abrothrix
Chelemys
Chroeomys
Geoxus
Notiomys
Pearsonomys
Rodentia
Sigmodontinae
D'Elía, G.
Pardiñas, U.F.J.
Teta, P.
Patton, J.L.
Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily
topic_facet Abrothrix
Chelemys
Chroeomys
Classification
Geoxus
Notiomys
Pearsonomys
South america
Abrothrix
Chelemys
Chroeomys
Geoxus
Notiomys
Pearsonomys
Rodentia
Sigmodontinae
description A new tribe of sigmodontine rodents is formally defined and diagnosed. The tribe contains the extant genera Abrothrix (including Chroeomys), Chelemys, Geoxus, Pearsonomys, and Notiomys, a group of taxa distributed in the central and southern Andes and lowlands both east and west of the cordillera. The new tribe presents a unique combination of characters including nasals and premaxilla usually projected anterior to the incisors, moderately trumpeted; zygomatic plate with upper free border reduced or obsolete; and third upper molar reduced and sub-cylindrical in out-line with an internal ring-like enamel fossette. Molecular phylogenetic analyses indicate that Abrothrix is sister to a clade containing the remaining genera of the new tribe.
format JOUR
author D'Elía, G.
Pardiñas, U.F.J.
Teta, P.
Patton, J.L.
author_facet D'Elía, G.
Pardiñas, U.F.J.
Teta, P.
Patton, J.L.
author_sort D'Elía, G.
title Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily
title_short Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily
title_full Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily
title_fullStr Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily
title_full_unstemmed Definition and diagnosis of a new tribe of sigmodontine rodents (Cricetldae: Sigmodontinae), and a revised classification of the subfamily
title_sort definition and diagnosis of a new tribe of sigmodontine rodents (cricetldae: sigmodontinae), and a revised classification of the subfamily
url http://hdl.handle.net/20.500.12110/paper_0717652X_v71_n2_p187_DElia
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AT tetap definitionanddiagnosisofanewtribeofsigmodontinerodentscricetldaesigmodontinaeandarevisedclassificationofthesubfamily
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