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  2. Pneumopulmonata - Wikipedia

    en.wikipedia.org/wiki/Pneumopulmonata

    Stylommatophora is the most diverse group of land snails and slugs. Pallial cavity forms a spacious, air-filled lung. Anus is located on the right side close to the pneumostome. Operculum is missing. Two pairs of tentacle are retractable and the posterior pair bears eyes on the tips. Radula typically has many small, quite uniform teeth per row.

  3. Pulmonata - Wikipedia

    en.wikipedia.org/wiki/Pulmonata

    Pulmonata or pulmonates is an informal group (previously an order, and before that, a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includes many land and freshwater families, and several marine families.

  4. Epiphragm - Wikipedia

    en.wikipedia.org/wiki/Epiphragm

    An operculum is a somewhat similar but permanent anatomical feature that is found in other clades of gastropods. The operculum serves some of the same functions as an epiphragm. Sometimes it protects the snail against predation. It protects certain species of snail if they are eaten by birds (such as Japanese white-eye). The snail can remain ...

  5. Planorbidae - Wikipedia

    en.wikipedia.org/wiki/Planorbidae

    Planorbidae, common name the ramshorn snails or ram's horn snails, is a family of air-breathing freshwater snails, aquatic pulmonate gastropod molluscs. Unlike most molluscs, the blood of ram's horn snails contains iron-based hemoglobin instead of copper-based hemocyanin . [ 3 ]

  6. Stylommatophora - Wikipedia

    en.wikipedia.org/wiki/Stylommatophora

    Stylommatophora is an order [3] of air-breathing land snails and slugs, terrestrial pulmonate gastropod molluscs. This taxon includes most land snails and slugs . Stylommatophorans lack an operculum , but some close their shell apertures with temporary "operculum" ( epiphragm ) made of calcified mucus.

  7. Heterobranchia - Wikipedia

    en.wikipedia.org/wiki/Heterobranchia

    The Pulmonata includes the majority of land snails and slugs, many freshwater snails, and a small number of marine species. The mantle cavity of the Pulmonata is modified into an air-breathing organ. They are also characterized by detorsion and a symmetrically-arranged nervous system.

  8. Amphibola - Wikipedia

    en.wikipedia.org/wiki/Amphibola

    Amphibola is a genus of small, air-breathing terrestrial or semi-marine snails with an operculum, pulmonate gastropod molluscs in the family Amphibolidae. [1] Species

  9. Salinator fragilis - Wikipedia

    en.wikipedia.org/wiki/Salinator_fragilis

    Salinator fragilis is a species of small, air-breathing land snail with an operculum, a pulmonate gastropod mollusc in the family Amphibolidae. The species is sometimes referred to as the fragile air breather. [1] It was originally described as being in the genus Ampullaria, but was split off into the genus Salinator in 1900 by Charles Hedley. [2]