Patrones de mortalidad en las poblaciones de Democricetodon larteti del yacimiento madrileño de Húmera (Aragoniense medio, Mioceno medio)

1. Álvaro Villarreal Gómez ¹
2. M. Ángeles Álvarez Sierra ¹
3. Paloma López Guerrero ¹
4. Omid Fesharaki ¹

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Abstract

Democricetodon larteti is a cricetid rodent found in the paleontological deposits of Húmera (middle Aragonian, middle Miocene, Madrid). The study of wear in third molars (upper and lower) has allowed establishing a pattern of mortality that shows a predominance of juvenile forms. This mortality pattern is similar to that of the nearbySomosaguas site, where it is considered that the youngest individuals were most likely to die because there were very adverse living conditions. The mortality pattern of Húmera would indicate that the individuals of Democricetodon larteti could be subjected, similarly as described for Somosaguas, to a great enviromental pressure, so that they rarely reached adulthood.

Data source: Dialnet