[1] Gymnocalycium taningaense a solitary cactus that later forms offsets, featuring gray-green, flattened, spherical stems 4.5–6 cm in diameter and up to 2.5 cm in height.

The thin, needle-shaped spines, initially reddish-brown to gray-brown, turn gray with age.

The blue-green, typically club-shaped fruits grow up to 2 cm long.

[2] Native to Córdoba (Taninga, Santa Teresita, La Mudana, Las Palmas, San José del Morro, Sierra del Morro, Villa Viso, Villa Viso, Salsacate, El Mirador, Cienaga, Bella Vista, El Cerro, La Tablada, Los Poleos, Cienaga Del Coro, San Geronimo, Villa San Luis, Las Condores, Los Poleos) and San Luis (La Esquina, Puerta del Molle), Argentina, where it grows at altitudes between 500 and 1500 meters in rocky slopes and meadows along with Butia yatay.

[3] First described in 1990 by Jörg Piltz, its species name refers to its occurrence near Taninga in Córdoba.