Cleve, 1902 emend. Kofoid and Campbell, 1929
Diagnosis
Agglutinated lorica (coccoliths), cylindrical bowl, with or without short aboral horn.
Arranged in Subgroup 1A (see the page Ti. 15 Classification scheme based on morphologically similar groups of species).
Species treated:
Poroecus apiculatus (Cleve, 1900)