Subfamily Nodosariinae Ehrenberg, 1838

Diagnosis

The diagnostic characters of the family Nodosariinae are a uniserial chamber arrangement and a rectilinear to slightly arcuate test in the megalospheric generation, with a terminal aperture made of radiate slits or grooves around the margin (Hayward et al. 2012). The few and rarely encountered specimens of the microspheric generation of Dentalina antarctica Parr, 1950, Dentalina elegans d’Orbigny, 1846, Dentalina obliqua (Linnaeus,1758), and Nodosaria incerta Neugeboren, 1856 have rudiments of a planispiral arrangement of the very first initial chambers.