Supplementary notes on Moitessieriidae and Hydrobiidae from the Iberian Peninsula (Gastropoda, Caenogastropoda)

This article supplements the review of Moitessieriidae and Hydrobiidae of the Iberian Peninsula by Boeters (1988). It is based on samples collected by J. Notenboom and I. Meijers in subterranean waters in 1983, 1984 and 1986. This supplement deals with three genera and thirteen species of the Moitessieriidae and three genera and seven species of Hydrobiidae. Two genera, one subgenus, nineteen species and four subspecies are described as new. Finally, a differentiation between the Moitessieriidae and the Hydrobiidae is given.