Euryzygomatomys is a genus of South American rodents, commonly called guiaras, in the family Echimyidae. It contains two extant and one fossil species, found in Argentina, Brazil, and Paraguay. They are: Brandt's guiara (E. guiara) Fischer's guiara (E. spinosus) †E. hoffstetteri - Tarija Formation, Bolivia
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Euryzygomatomys is a genus of South American rodents, commonly called guiaras, in the family Echimyidae. It contains two extant and one fossil species, found in Argentina, Brazil, and Paraguay. They are: Brandt's guiara (E. guiara) Fischer's guiara (E. spinosus) †E. hoffstetteri - Tarija Formation, Bolivia
== Etymology == The genus name Euryzygomatomys derives from the three Ancient Greek words (, or eury), meaning "wide, or which extends in width", or (), meaning "a part of the forehead or the zygomatic bone", and (), meaning "mouse, rat".
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).