Kent, 1882
Diagnosis
Lorica irregular in form (mostly as an elongated cylinder), probably because of variable size and quality of agglutinated (arenaceous) particles.
Arranged in Subgroup 1A (see the page Ti. 15 Classification scheme based on morphologically similar groups of species).
Species treated:
Tintinnidium sp. aff. Tintinnidium semiciliatum (Sterki, 1879)
Tintinnidium balechi Barría de Cao, 1981