2017
DOI: 10.3989/egeol.42347.397
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Mortalidad excepcional en los cricétidos (Rodentia) del Mioceno medio de Somosaguas (Pozuelo de Alarcón, Madrid)

Abstract: En este estudio se analizó el espectro de desgaste dental de los molares, superiores e inferiores, de individuos de las dos especies de roedores más abundantes registradas en el yacimiento de Somosaguas Sur: Megacricetodon collongensis (Mein, 1958) y Democricetodon larteti (Schaub, 1925). Los resultados muestran gran abundancia de molares poco desgastados en ambas especies, lo que indica la existencia de una mortalidad fuertemente sesgada hacia los individuos juveniles. Este modelo de mortalidad refleja un suc… Show more

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Cited by 2 publications
(1 citation statement)
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“…This indicates high levels of interannual variability in the precipitation regime, which is in agreement with the highly erratic nature of precipitations in arid tropical areas today [ 133 , 134 , 135 ]. Long drought periods associated with such scarce and erratic rainfalls have been held responsible for the high mortality levels of young individuals recorded in the Somosaguas fossil site for different species [ 45 , 117 , 136 – 139 ].…”
Section: Discussionmentioning
confidence: 99%
“…This indicates high levels of interannual variability in the precipitation regime, which is in agreement with the highly erratic nature of precipitations in arid tropical areas today [ 133 , 134 , 135 ]. Long drought periods associated with such scarce and erratic rainfalls have been held responsible for the high mortality levels of young individuals recorded in the Somosaguas fossil site for different species [ 45 , 117 , 136 – 139 ].…”
Section: Discussionmentioning
confidence: 99%