Kofoid and Campbell, 1929 emend. Balech, 1975
Diagnosis
Lorica roughly cylindrical, with one or more rings, expanding gradually to globose aboral end.
Arranged in Subgroup 4D (see the page Ti. 15 Classification scheme based on morphologically similar groups of species).
Species treated (marked with * is a dubious species):
*Amplectella monocollaria (Laackmann, 1910)
Amplectella nuda (Kofoid and Campbell, 1929)
Amplectella tricollaria (Laackmann, 1910)
Amplectella tridivisa (Brandt, 1906)