Echimyidae is a family of South and Central American rodents, commonly known as spiny rats. Synonyms for Echimyidae include Echimyinae, Echimyids, and spiny rats. There are over 80 documented species of spiny rats, which are distinguished by their prickly fur, long tails, and sharp claws. Spiny rats are primarily herbivorous and can be found in a variety of habitats, ranging from forests to grasslands. Despite their intimidating appearance, spiny rats are essential to their ecosystems, acting as seed dispersers and prey for larger predators. Understanding the different synonyms for Echimyidae can help researchers and biologists more accurately discuss and study these unique rodents.