In Tasmania, this genus includes 12 species, as follows:
Mesoginella altilabra (high-lipped margin-shell)
Mesoginella caducocincta (fading-girdle margin-shell)
Mesoginella consobrina (cousin margin-shell)
Mesoginella gabrieli (Gabriel’s margin-shell)
Mesoginella inconspicua (inconspicuous margin-shell) (figure a)
Mesoginella olivella (olive margin-shell)
Mesoginella pygmaeoides (pygmy margin-shell) (figure b)
Mesoginella schoutanica (Schouten Island margin-shell)
Mesoginella strangei (Strange’s margin-shell)
Mesoginella translucida (translucent margin-shell)
Mesoginella turbinata (top-shaped margin-shell) (figure c)
Mesoginella victoriae (Victorian margin-shell)