Subfamily Tubicinellinae subfam. nov.

Tubicinellinae Ross & Frick, 2007b: 29, nom. nud.

Type genus. Tubicinella Lamarck, 1802: 461; by monotypy.

Diagnosis (amended). Wall thin, cylindrical, much higher than wide; with minute, external longitudinal canals formed by external septa with T-shaped flanges.

Genus and species included. Tubicinella major Lamarck, 1802 .