Background Body mass estimation is of paramount importance for paleobiological studies,
as body size influences numerous other biological parameters. In mammals, body mass has …

Based on two adult specimens collected in the Río León (Azuay, Ecuador), we describe a
new highland species of a small crab-eating rat of the genus Ichthyomys Thomas (Rodentia …

Ichthyomyini, a morphologically distinctive group of Neotropical cricetid rodents, lacks an
integrative study of its systematics and biogeography. Since this tribe is a crucial element of …

En Ecuador, el conocimiento del parasitismo de isópodos sobre peces es escaso. Hasta la
fecha, se tiene conocimiento de que únicamente cuatro especies de este orden parasitan …

Abstract Recently, Maestri, Luza, et al.() assessed the effect of ecology and phylogeny on
body size variation in communities of South American Sigmodontinae rodents. Regrettably …