First record of a rare sinistral specimen of Pyramidula jaenensis (Clessin, 1882) (Gastropoda: Pyramidulidae) in Spain

Enantiomorphism in gastropods is related to the shell shape: high-spired snails present a higher proportion of enantiomorphs, low-spired it less frequent. This could be consequence way mate; mounting mating occurs species and independent chirality while mate face-to-face which implies certain degree genitalia adjustment for successful copulation. Cases sinistral Pyramidula have been reported Eurasia, however, first time has observed P. jaenensis Spain.