Kofoid and Campbell, 1929 emend. Alder, 1995
Diagnosis
Aboral end usually open. Imbricate collar, variable in length. Bowl cylindrical, elongate, either completely hyaline, or partially to totally covered with particles (mainly diatoms).
Arranged in Subgroup 1B (see the page Ti. 15 Classification scheme based on morphologically similar groups of species).
Monospecific genus:
Laackmanniella naviculaefera (Laackmann, 1910)