“Guimalda de San Miguel” is the title of this painting in the Museo de Bellas Artes in Granada by Joris van Son [1; spelled ‘Joris van Soon’ on the explanatory card at the wall]. It was created in 1657 in Antwerp and the painting is on temporary loan from the Museo del Prado in Madrid. In fact, a lucky hunt, as I suppose it is normally hidden in the depots there…
This fruit still life is made in dark tones and on the image supplied by the museum it is difficult to see the snail in the foreground on the edge of the table. With some tweaking I managed to produce this image.
It is a naturalistically painted specimen of—judged by the colour pattern—possibly Helicigona lapicida (Linnaeus, 1758), with a dextral shell.
 MBG, inv. DE040. http://bit.ly/1kczYQR.