Sphyradium
Sphyradium is a genus of very small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Orculidae within the superfamily Pupilloidea.
Species
Species within the genus Sphyradium include:Sphyradium doliolum;Synonyms:Sphyradium alexanderi Pilsbry & C. M. Cooke, 1906: synonym of Columella alexanderi Sphyradium dobrogicum Grossu, 1986: synonym of Sphyradium doliolum Sphyradium hasta Hanna, 1911: synonym of Columella hasta Sphyradium himalayanum : synonym of Truncatellina himalayana Sphyradium parreyssii : synonym of Agardhiella parreyssii Sphyradium sharpi Pilsbry & C. M. Cooke, 1906: synonym of ''Columella sharpi''