Clausilioidea
The Clausilioidea are a superfamily of air-breathing land snails and slugs, terrestrial gastropod mollusks in the informal group Sigmurethra.[1] This classification was based on different studies dealing with the Clausiliidae, published by H. Nordsieck in 1978, 1979, 1981, 1985, 1994, 1997 and 1998. Taxonomy
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