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Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily: Xanthonychoidea[1]
Family: Echinichidae
Thompson & Naranjo-García, 2012[1]
Genus: Echinix
Thompson & Naranjo-García, 2012[1]
3 species

Echinix is a genus of air-breathing land semi-slugs.[1] Echinix is the only genus in the family Echinichidae,[1] terrestrial pulmonate gastropod mollusks in the superfamily Xanthonychoidea.[1] This genus and family was described in December 2012.[1]


The family Echinichidae is endemic to states Tamaulipas and Querétaro in northeastern Mexico.[1]


Species in the genus Echinix include:


Species in the genus Echinix are semi-slugs, which have their shells completelly hidden under the mantle.[1] There are numerous glandular papillae on the dorsal part of the body.[1] Dart sac is a part of its reproductive system.[1]


  1. ^ a b c d e f g h i j k l m n o Thompson F. G. & Naranjo-García E. (2012). "Echinichidae, a new family of dart-bearing helicoid slugs from Mexico, with the description of a new genus and three new species (Gastropoda: Pulmonata: Xanthonychoidea)". Archiv für Molluskenkunde 141(2): 197-208. doi:10.1127/arch.moll/1869-0963/141/197-208. preview.

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