Species within the genera Scalenostoma include:[1]
- Taxon inquirendum
- Scalenostoma mariei P. Fischer, 1886
- Species brought into synonymy
- Scalenostoma abbreviata (Mörch, 1875): synonym of Scalenostoma subulatum (Broderip, 1832)
- Scalenostoma apiculatum Souverbie, 1875: synonym of Scalenostoma carinatum Deshayes, 1863
- Scalenostoma corallina (Chemnitz, 1795): synonym of Scalenostoma subulatum (Broderip, 1832)
- Scalenostoma deshayesi A. Adams, 1870: synonym of Scalenostoma carinatum Deshayes, 1863
- Scalenostoma hawaiiensis (Pilsbry, 1920): synonym of Scalenostoma subulatum (Broderip, 1832)
- Scalenostoma latior (Pilsbry, 1917): synonym of Scalenostoma carinatum Deshayes, 1863
- Scalenostoma lubricum P. Fischer, 1886: synonym of Scalenostoma carinatum Deshayes, 1863
- Scalenostoma pyramidata Laseron, 1951: synonym of Megastomia pyramidata (Laseron, 1951)
- Scalenostoma remotissimus (Pilsbry, 1921): synonym of Scalenostoma subulatum (Broderip, 1832)
- Scalenostoma robusta (Petterd, 1884): synonym of Scalenostoma lodderae (Petterd, 1884)
- Scalenostoma striatum Hedley, 1905: synonym of Trochostilifer striatus (Hedley, 1905)
- Scalenostoma subcarina Laseron, 1951: synonym of Megastomia subcarina (Laseron, 1951)
- Scalenostoma suteri W. R. B. Oliver, 1915: synonym of Pyramidelloides suteri (W. R. B. Oliver, 1915)
- Scalenostoma thomasiae (Sowerby, 1878): synonym of Scalenostoma subulatum (Broderip, 1832)
- Scalenostoma thomasii (Sowerby, 1884): synonym of Scalenostoma subulatum (Broderip, 1832)
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