(Brönnimann and Resig, 1971)
Microperforate, ontogeny morphologically similar to those of Tenuitella iota and Globigerinita glutinata. However, adult stage without bulla, with more elongate chambers, less globular than Globigerinita glutinata.
Ref.: Brönnimann and Resig (1971), Li (1987), Brummer (1988), Saito et al. (1981).
Distribution: Minor contributor to tropical to temperate assemblages.