本科的屬一般可以按四個不同的亞科來分類,分別如下[10][7]:
- 天蓋螺亞科 Diodorinae Odhner, 1932
- Cosmetalepas Iredale, 1924
- 天蓋螺屬 Diodora J. E. Gray, 1821[11]
- Lucapina G. B. Sowerby I[12], 1835:分佈於西非大西洋東岸的佛德角
- Megathura Pilsbry, 1890
- Monodilepas Finlay, 1927
- 邊罅螺亞科 Emarginulinae
- Genus Clypidina Gray, 1847
- 邊罅螺屬 Emarginula Lamarck, 1801:又名鱗䗩屬[11]
- Genus Fissurisepta Sequenza, 1863
- Genus Laeviemarginula Habe In Kuroda, 1953
- Genus Nesta H. Adams, 1870
- Genus Notomella Cotton, 1957
- 天窗䗩屬 Puncturella R. T. Lowe, 1827[13]:23
- Genus Scutus Montfort, 1810
- 土加䗩屬 Tugali Gray In Dieffenbach, 1843[13]:23
- Genus Zeidora A. Adams, 1860
- Subfamily Fissurellidinae
- Subfamily Fissurellinae
但由於現時基於分子分類學的文獻不斷更新,現時普遍不區分亞科現詳列全部的屬。以下為現時屬於本科的屬[14][10][15][16]:
- Altrix Palmer, 1942
- Amblychilepas Pilsbry, 1890
- Buchanania Lesson, 1830
- Clathrosepta McLean & Geiger, 1998
- Clypidina Gray, 1847
- Cornisepta McLean & Geiger, 1998
- Dendrofissurella Mclean and Kilburn, 1986
- 榖米螺屬 Dentimargo[15]
- 邊罅螺屬 Emarginula Lamarck, 1801
- Fissurella Bruguière, 1789
- Fissurellidea d'Orbigny, 1841
- Fissurisepta Seguenza, 1863
- Hemimarginula McLean, 2011
- Hemitoma Swainson, 1840
- Laeviemarginula Habe In Kuroda, 1953
- Laevinesta Pilsbry and McGinty, 1952
- Leurolepas J. H. McLean, 1970
- Lucapinella Pilsbry, 1890
- Macroschisma Sowerby, 1839
- Manganesepta McLean & Geiger, 1998
- Medusafissurella Mclean and Kilburn, 1986
- Montfortia Récluz, 1843
- 凸螺屬 Montfortista Iredale, 1929
- Montfortula Iredale, 1915
- Montfortulana Habe, 1961
- Nesta Adams, 1870
- Octomarginula McLean, 2011
- Parmaphorella Strebel, 1907
- Profundisepta McLean & Geiger, 1998
- 天窗䗩屬 Puncturella R. T. Lowe, 1827[13]:23
- Pupillaea Gray In Sowerby, 1835
- Rimula DeFrance, 1827
- Scelidotoma Choe, Yoon and Habe, 1992
- 笠罅螺屬 Scutus Montfort, 1810
- Stromboli Berry, 1954
- 土加䗩屬 Tugali Gray In Dieffenbach, 1843[13]:23
- Tugalina Habe, 1953
- Variemarginula McLean, 2011
- Zeidora A. Adams, 1860
- 異名:
- Austroglyphis Cotton & Godfrey, 1934: synonym of Diodora J. E. Gray, 1821
- Aviscutum Iredale, 1940: synonym of Scutus Montfort, 1810
- Capiluna Gray, 1857: synonym of Diodora J. E. Gray, 1821
- 孔螺屬 Cranopsis A. Adams, 1860:今作 天窗䗩屬 Puncturella R. T. Lowe, 1827
- Cemoria Risso, 1826 [ex Leach MS]: synonym of Puncturella Lowe, 1827
- Cremoria [Gray, 1842]: synonym of Puncturella Lowe, 1827
- Elegidion Iredale, 1924: synonym of Diodora J. E. Gray, 1821
- 邊罅螺屬 Emarginella Pilsbry, 1890[15]: synonym of Emarginula Lamarck, 1801
- Entomella Cotton, 1945: synonym of Emarginula Lamarck, 1801
- Fissuridea Swainson, 1840: synonym of Diodora J. E. Gray, 1821
- Glyphis Carpenter, 1857: synonym of Diodora J. E. Gray, 1821
- Legrandia Beddome, 1883: synonym of Zeidora A. Adams, 1860
- Megatebennus Pilsbry, 1890: synonym of Fissurellidea d'Orbigny, 1839
- Nannoscutum Iredale, 1937: synonym of Scutus Montfort, 1810
- Nesta H. Adams, 1870: synonym of Zeidora A. Adams, 1860
- Notomella Cotton, 1957: synonym of Emarginula Lamarck, 1801
- Parmophoridea Wenz, 1938: synonym of Parmaphorella Strebel, 1907
- Parmophorus Blainville, 1817: synonym of Scutus Montfort, 1810
- Plagiorhytis P. Fischer, 1885: synonym of Montfortula Iredale, 1915
- Scutum P. Fischer, 1885: synonym of Scutus Montfort, 1810
- Semperia Crosse, 1867: synonym of Emarginula Lamarck, 1801
- Sipho T. Brown, 1827: synonym of Puncturella Lowe, 1827
- Siphonella Issel, 1869: synonym of Montfortista Iredale, 1929
- Subemarginula Gray, 1847: synonym of Hemitoma Swainson, 1840
- Subzeidora Iredale, 1924: synonym of Emarginula (Subzeidora) Iredale, 1924
- Tugalia Gray, 1857: synonym of Tugali Gray, 1843
- Vacerra Iredale, 1924: synonym of Puncturella Lowe, 1827
- Zidora P. Fischer, 1885: synonym of Zeidora A. Adams, 1860