Kofoid and Campbell, 1929, emend. Balech, 1975
Diagnosis
Subcylindrical lorica bowl. Oral end with cylindrical band; suboral ledge present. Monospecific genus results from tentative synonymy of Undellopsis marsupialis (Brandt, 1906) and Undellopsis subangulata (Jörgensen, 1924).
Arranged in Subgroup 4D (see the page Ti. 15 Classification scheme based on morphologically similar groups of species).
Species treated:
Undellopsis marsupialis (Brandt, 1906)