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Limax flavus.JPG
Limax flavus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
clade limacoid clade
Superfamily: Limacoidea
Family: Limacidae
Subfamily: Limacinae
Genus: Limax
Subgenus: Limacus
Lehmann, 1864[1]

Limacus is a subgenus of air-breathing land slugs, terrestrial pulmonate gastropod mollusks in the family Limacidae, the keelback slugs.

Limacus is considered as a subgenus of the genus Limax.[2]


Species within this subgenus include:

  • Limax flavus - synonym Limacus flavus (Linnaeus, 1758) synonym: Limax breckworthianus (Lehmann, 1864) - the type species[2]
  • Limax ecarinatus - synonym: Limacus maculatus. If the subgenus Limacus is elevated to the generic level, then the name Limacus maculatus is valid.
  • and others


  1. ^ (in German) Lehmann R. 1864. Neue Nacktschnecken aus Australien. Malakozoologische Blätter 11: 145-149. Cassel.
  2. ^ a b AnimalBase info at: Genus taxon summary for Limacus. AnimalBase, accessed 10 August 2009.