Plural of guartinaja. Feminine guatinajo . female of the guatinajo . The guatinajo in Colombia is in small rodent. It is also called guartinajo, common paca, guagua, lapa, chilo, majaz or tepezcuintle. Its scientific name is Cuniculus paca and it belongs to the Cuniculidae family. In Colombia it is also a common name given to a palm tree. It is the Astriocaryum triandrum of the family Arecaceae.