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Artículo

First paleoparasitological study of micromammal coprolites from the holocene of the Somuncurá Plateau Protected Natural Area (Patagonia Argentina)

Beltrame, Maria OrnelaIcon ; Bellusci, Agustín; Andrade, AnaliaIcon
Fecha de publicación: 08/2018
Editorial: Elsevier Ireland
Revista: Parasitology International
ISSN: 1383-5769
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Naturales y Exactas

Resumen

The Somuncurá Plateau is a Protected Natural Area located in the middle of the northern extra-Andean arid Patagonia. Inhabited by at least 20 small mammal species, is the place with the uppermost species richness in Patagonia. The aim of this study was to examine the parasite remains from micromammal coprolites collected in association with a bone sequence recovered at the east of the Somuncurá Plateau (site “Alero Las Lechuzas”). Coprolites came from the four temporal units previously defined: unit I (4790 ± 100 yrs. 14C B.P.), unit II, unit III (7840 ± 120 yrs. 14C B.P.) and unit IV. Each coprolite was processed, rehydrated, homogenized, processed by spontaneous sedimentation and examined using a light microscope. Coprolites and eggs were described, measured and photographed. Samples were positive for two nematode species: Helminthoxys caudatus Freitas, Lent & Almeida, 1937 (Oxyurida, Oxyuridae) and Trichuris spp. (Trichinellida: Trichuridae). This is the first paleoparasitological study developed for the Somuncurá Plateau Protected Area. Moreover, this is the first time that the genus Helminthoxys is reported from ancient times worldwide. Coprolites were attributed to the mountain cavy Microcavia australis (Rodentia, Caviidae).The presence of H. caudatus for the Middle Holocene of northern Patagonia contributes to the study of the history of the histricomorphs and pinworms relationships.
Palabras clave: HELMINTHOXYS , HOLOCENE , PALEOPARASITOLOGY , RODENTS , TRICHURIS
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/87978
DOI: https://doi.org/10.1016/j.parint.2018.02.005
URL: https://www.sciencedirect.com/science/article/pii/S1383576917302829
Colecciones
Articulos(CCT - MAR DEL PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - MAR DEL PLATA
Articulos(IPCSH)
Articulos de INSTITUTO PATAGONICO DE CIENCIAS SOCIALES Y HUMANAS
Citación
Beltrame, Maria Ornela; Bellusci, Agustín; Andrade, Analia; First paleoparasitological study of micromammal coprolites from the holocene of the Somuncurá Plateau Protected Natural Area (Patagonia Argentina); Elsevier Ireland; Parasitology International; 67; 4; 8-2018; 362-365
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