Vachard and Arefifard (2015) p. 21: "Although many authors have recently stated that this name is superfluous, the genus (or at least subgenus) mightbe conserved because it corresponds to the transition of ancestral loeblichiids (by its rounded periphery) and true primitive Fusulinida characterized by a carina only present in the genus Eoparastaffella sensu stricto."
Vachard, D.; Arefifard, S. (2015). Foraminifers and algae of the late Tournaisian–early Viséan boundary interval (MFZ8–9) in the Gachal Formation (Central Iran). Revue de Micropaléontologie. 58(3): 185-216.