Análisis evolutivo de estructuras craneales en roedores : una aproximación tridimensional y morfogeométrica
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2025
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20/12/2023
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Abstract
Los roedores (Orden Rodentia) son el grupo de mamíferos más abundante en la actualidad, contando con más de 2000 especies. Ocupan la mayoría de ecosistemas a excepción de la Antártida y alguna isla del océano Pacífico. Su origen, atendiendo a los restos fósiles más antiguos atribuidos a este grupo, se sitúa hace unos 56Ma durante el límite Paleoceno – Eoceno. En la actualidad, sus integrantes más abundantes son los múridos donde se incluyen las ratas y los ratones. Sin embargo, otros grupos de roedores, como los cricétidos, alcanzaron máximos de diversidad interespecífica durante el Mioceno. Durante este periodo de tiempo, dominaron las asociaciones faunísticas y eran elementos primordiales para diferentes análisis paleoecológicos. Debido a su importancia durante ese intervalo de tiempo, este grupo(Familia Cricetidae) ha sido el objeto de estudio de gran parte de esta tesis...
Rodents (Order Rodentia) are the most abundant group of mammals today, with more than 2000 species. They occupy most ecosystems with the exception of Antarctica and some islands in the Pacific Ocean. Its origin, based on the oldest fossil remains attributed to this group, is located about 56 Ma during the Palaeocene– Eocene boundary. Currently, its most abundant members are murine animals, which include rats and mice. However, other groups of rodents, such as cricetids, reached maximums of interspecific diversity during the Miocene. During this period of time, cricetid associations dominated the faunal assemblages and were essential elements for different palaeoecological analyses. Due to its importance during that time interval, this group (Family Cricetidae) has been the object of study for a large part of this thesis...
Rodents (Order Rodentia) are the most abundant group of mammals today, with more than 2000 species. They occupy most ecosystems with the exception of Antarctica and some islands in the Pacific Ocean. Its origin, based on the oldest fossil remains attributed to this group, is located about 56 Ma during the Palaeocene– Eocene boundary. Currently, its most abundant members are murine animals, which include rats and mice. However, other groups of rodents, such as cricetids, reached maximums of interspecific diversity during the Miocene. During this period of time, cricetid associations dominated the faunal assemblages and were essential elements for different palaeoecological analyses. Due to its importance during that time interval, this group (Family Cricetidae) has been the object of study for a large part of this thesis...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Geológicas, leída el 20-12-2023












