All the known species of the genus Cribrohantkenina have been refigured. The genus Cribrohantkenina is monotypic, with Hantkenina (Cribrohantkenina) bermudezi Thalmann, 1942, serving as the type species. Hantkenina inflata Howe, 1928, is the senior synonym while Hantkenina mccordi Howe & Wallace, 1932, and Hantkenina danvillensis Howe & Wallace, 1934, are regarded as junior synonyms. The genus is confined to the upper Eocene (Priabonian) and is an important world-wide index fossil.