Darwininitium – a new fully pseudosigmurethrous orthurethran genus from Nepal (Gastropoda, Pulmonata, Cerastidae)

Two new and rare mountain door-snails (Gastropoda, Pulmonata, Clausiliidae) from high mountain areas in Macedonia

Two species of Clausiliidaeare described as new to science. Euxinella alpinellasp. n. is the fourth species within genus Euxinella Nordsieck, 1973, and Vestia lazaroviisp. n. is the second species of genus Vestia recorded from the Republic of Macedonia. In both species, the clausilium apparatus shows a high degree of variation.

Habitat Characteristics and Conservation of the Genus Ashmunella (gastropoda: Pulmonata: Polygyridae) of White Sands Missile Range (nm and Tx)

Discus (Canaridiscus) laurisilvae sp. nov., a species from the laurel forest of La Gomera, Canary Islands (Gastropoda: Pulmonata: Discidae)

A new endemic land snail species of the family Discidae, Atlantica (Canaridiscus) saproxylophaga Alonso, G. Holyoak & Yanes 2011, was recently described from La Gomera, Canary Islands (in Yanes et al. 2011). According to Rähle & Allgaier (2011) it is provisorily considered as belonging to the genus Discus. This species lives in the laurel forest and has the largest shell of all the Discidae hit...

Observations on Seasonal Dynamics of Age Structure and Reproduction of Pupilla Muscorum L. (gastropoda: Pulmonata: Pupillidae)

Ovoviviparous Pupilla muscorum L. incubates 1–8 embryos throughout the year. The embryos are produced in an assembly-line fashion and released when fully formed, with a maximum in June–August. The snails reach maturity in their second or third season and probably most reproduce only during one season.

A review of the microgastropod genus Systenostoma Bavay & Dautzenberg, 1908 and a new subterranean species from China (Gastropoda, Pulmonata, Hypselostomatidae)

A review of the microgastropod genus Systenostoma is provided. Thai and Malaysian species are transferred to a new genus, Angustopila (type species: Systenostoma tamlod Panha & Burch, 1999). A new subterranean Angustopila species is described here. Conchologically, the new species is most similar to the cave-dwelling, Thai A. tamlod (Panha & Burch, 1999). One Thai species (Systenostoma edentata...