Genus Microcollonia Poppe, Tagaro & Huang, 2023
Type species
Leptothyra carminea Bartsch, 1915 (original designation), Recent, South Africa.
Remarks
The small size and thick, anomphalous shell of the following species, with its strong spiral cords, un-beaded on the early teleoconch, suggests that it is referable to Microcollonia .