What is "depressizona"

Depressizona is a genus of small to minute sea snails, marine gastropod molluscs or micromolluscs in the superfamily Scissurelloidea.

Depressizona is the type genus of the family Depressizonidae. Depressizona is the only genus within the family Depressizonidae.

Taxon Depressizonidae was described as the subfamily Depressizoninae Geiger, 2003, in 2003. Then in 2005 it was considered to be a synonym of Scissurellinae in the family Scissurellidae according to the taxonomy of Bouchet & Roctoi (2005) and it has also been placed in Scissurellidae. In 2009 it was updated to the family level, Depressizonidae, when the second known species Depressizona axiosculpta was described.