This species was initially discovered at "San Antonio de los Cobres (24° 11'S; 66° 21'W)", Salta Province, Argentina", but it has now been extirpated from this site. It is currently known with certainty only from a single bog (Pueblo Nuevo) approximately 1.5km from the type locality. A population that morphologically is very close to T. atacamensis has recently been discovered at Los Patos, Salta Province (Barrionuevo and Mangione 2006), which is close to the type locality, but is in a rivulet that does not belong to the same basin of the two other localities. It has been recorded at an elevation of 3,800m asl.
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