The Veronicellidae, also known by their common name the leatherleaf slugs, are a family of pulmonate terrestrial slugs.

The herbivorous molluscs occur mainly in the tropical and subtropical areas of America, Asia, and Africa.

They act as intermediate hosts of the rat lung worm Angiostrongylus costaricensis, and act as a vector for other human diseases. They also cause significant damage to crops.

In April 2013, family Veronicellidae was separated into six genera of concern according to the CAPS priority pest list. These genera include: Belocaulus, Colosius, Laevicaulis, Sarasinula, Semperula, and Veronicella.

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