Kofoid and Campbell, 1929
Diagnosis
Lorica elongate, slender, normally with two thin fins extending along less than half of bowl, with funnel-shaped collar. Aboral end slightly rounded. Genus morphologically very similar to genus Amphorides, requiring further studies of their systematic relationships.
Arranged in Subgroup 4A (see the page Ti. 15 Classification scheme based on morphologically similar groups of species).
Species treated (marked with * is a dubious species):
*Steenstrupiella pozzi Balech, 1942
Steenstrupiella steenstrupii (Claparède and Lachmann, 1858-1859)