This thesis consists of a phonological description of the Yamalero language, based on primary data. Yamalero is a Guahiban language spoken by some 300 people in the Colombian Eastern Plains. Some...Show moreThis thesis consists of a phonological description of the Yamalero language, based on primary data. Yamalero is a Guahiban language spoken by some 300 people in the Colombian Eastern Plains. Some of these speakers are ethnic Yaruro, who had been reported to speak Yaruro (Pumé), but this thesis shows that none of them is able to use this language any more. Yamalero is a virtually undocumented language, since the only materials available before the publication of this phonological description were a 31 terms wordlist. This enabled the classification of Yamalero within the Cuiba-Sikuani language continuum. This thesis shows some features of the Yamalero phonology that are closer to Sikuani, such as the process of lenition of aspirated plosives, and others that are closer to Cuiba, such as the presence of consonantic codas. When appropriate, it also shows its resemblances to other genetically unrelated languages in the area, such as Saliba, Piapoco, Achagua or Puinave. This phonological description contributes to the study of Guahiban languages, on which very little research has been published in the last 20 years, as well as to the study of the languages between the Amazonia and the Andean foothills.Show less