Limax luctuosus is a species of air-breathing land slug, a terrestrial pulmonate gastropod mollusk in the family Limacidae, the keelback slugs. Animal Base
Taxonomy The taxon was first described by Alfred Moquin-Tandon in 1855 as a variety of Limax maximus.Moquin-Tandon, A. 1855 Histoire naturelle des mollusques terrestres et fluviatiles de la France contenant des études générales sur leur anatomie et leur physiologie et la description particulière des genres, des espèces et des variétés. Tome second. - pp. 1-646, atlas 1-92, Pl. I-LIV [= 1-54]. Paris. (Baillière). It could be a form of Limax cinereoniger or an endemic species.
Distribution Limax luctuosus was described from France, but it should also be present in the western Alps.Natura mediterraneo WMSDB – Worldwide Mollusc Species Data Base
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