Type species: Aechmella filimargo Canu & Bassler, 1917
This genus includes the species:
| Aechmella akrabatensis | Favorskaya, 1990 | Uzbekistan | U. Cretaceous |
| Aechmella ambigua | (MacGillivray, 1895) | Neogene Miocene | SE Australia |
| Aechmella anglica | (Brydone, 1909) | Cretaceous | England, Germany |
| Aechmella bassleri | Voigt, 1924 | Cretaceous | Sweden, Germany |
| Aechmella biconvexa | (Brydone, 1909) | Cretaceous Maastrichtian | England, Germany |
| Aechmella bidens | (von Hagenow, 1851) | Cretaceous Maastrichtian | England, Germany |
| Aechmella clio | (d'Orbigny, 1852) | Cretaceous, Paleogene Paleocene | Europe |
| Aechmella crassimargo | Canu & Bassler, 1920 | Tertiary | SE USA |
| Aechmella cucullata | (Römer, 1841) | Cretaceous Santonian | Germany |
| Aechmella depressa | (MacGillivray, 1895) | Neogene Miocene | SE Australia |
| Aechmella falcifera | Voigt, 1949 | Cretaceous | Germany |
| Aechmella fertilis | Voigt, 1967 | Cretaceous (Camp.) | Kazakhstan |
| Aechmella filimargo | Canu & Bassler, 1917 | Eocene | SE USA |
| Aechmella globosa | Kataoka, 1961 | Pleistocene | Japan |
| Aechmella hippocrepis | (Goldfuss, 1826) | Cretaceous, Paleogene Paleocene | Europe (NW) |
| Aechmella indefessa | Taylor & McKinney, 2006 | Cretaceous Campanian | USA Delaware |
| Aechmella inflata | (Hennig, 1892) | Cretaceous Campanian | Sweden |
| Aechmella lahuseni | Voigt, 1967 | U. Cretaceous Maastrichtian | Kazakhstan |
| Aechmella lanceolata | Voigt, 1962 | Cretaceous | Russia |
| Aechmella lateaperta | (Brydone, 1912) | Cretaceous | England, Germany |
| Aechmella latistoma | Berthelsen, 1962 | Cretaceous | Denmark |
| Aechmella lena | Jürgensen, 1968 | Paleocene (Dan.) | Denmark |
| Aechmella linearis | Voigt, 1924 | Cretaceous Santonian | Germany |
| Aechmella microstoma | (Marsson, 1887) | Cretaceous | NW Europe |
| Aechmella missilis | (Stoliczka, 1873) | Cretaceous | India |
| Aechmella ozanensis | Shaw, 1967 | U. Cretaceous | USA (Arkansas) |
| Aechmella parvilabris | Voigt, 1924 | Cretaceous Santonian | Germany |
| Aechmella peneclausa | (Brydone, 1912) | Cretaceous | England |
| Aechmella pentapora | (d'Orbigny, 1851) | Cretaceous Senonian | France |
| Aechmella pindborgi | Berthelsen, 1962 | Cretaceous | Denmark |
| Aechmella poluzzii | Moissette, 1988 | Tertiary (U. Miocene) | Algeria |
| Aechmella proteus | (Brydone, 1912) | Cretaceous | England, Germany |
| Aechmella rakhamensis | Abbas & El-Senoussi, 1979 | Tertiary (M. Miocene) | Egypt |
| Aechmella rangiauriensis | Taylor & Gordon, 2007 | Late Cretaceous Campanian-Maastrichtian | New Zealand Chatham I. |
| Aechmella schmitti | Voigt, 1930 | Cretaceous | Germany |
| Aechmella stenostoma | Voigt, 1930 | Cretaceous | Germany |
| Aechmella tenuis | Berthelsen, 1962 | Cretaceous | Denmark |
| Aechmella tenuisulca | (Reuss, 1848) | Tertiary | Europe (Italy) |
| Aechmella ventricosa | Voigt, 1924 | Cretaceous | Germany, Sweden |
| Aechmella waltheri | Voigt, 1930 | Cretaceous | Germany |
| Aechmella xanthe | (d'Orbigny, 1852) | Cretaceous Senonian | France |
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