Type Locality : ARGENTINA. San Juan. National Road 150; road to Paso de Agua Negra. 6 km W of Arrequintin
Etymology : The specific epithet is a masculine genitive, dedicated to the arachnologist Emilio AntonioMaury, for his contributions to the knowledge of the scorpiofauna of Argentina, and for collecting the type specimens.
Euathlus Ausserer, 1875 is a South American genus of spiders of the family Theraphosidae known from Chile and Argentina. Three new species from Argentina: Euathlus mauryi sp. n. (from San Juan province), Euathlus grismadoi sp. n. (from La Rioja province), and Euathlus pampa sp. n. (from Salta province) are described here. New records of the previous species Euathlus diamante and Euathlus tenebrarum are contributed. The distribution of these new species expands the geographical distribution of the genus along the Andean hills, with Salta province as the northernmost record of the genus. A key is provided for identification of Euathlus species as well as a map with all the records in Argentina.