New data on the morphology and geographical distribution of the species of the genus Geomalacus (G. maculosus, G. oliveirae, G. anguiformis and G. malagensis) on the Iberian peninsula are hereby contributed.

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CC BY-NC 4.0 NL ("Naamsvermelding-NietCommercieel")

Nederlandse Malacologische Vereniging

José Castillejo, Carlos Garrido, & Javier Iglesias. (1994). The slugs of the genus Geomalacus Allman, 1843, from the Iberian peninsula (Gastropoda: Pulmonata: Arionidae). Basteria, 58(1/2), 15–26.