Order “Miliolida” > Family “Ophtalmidiidae” > Genus “Spirophtalmidium”

Original description of genus	Cushman, J., A., 1927, Contr. Cushman Lab. For. Res., 3, 1-105
Description of genus	Hottinger, L., Halicz, E., Reiss, Z., 1993, 33, Academia Scientiarum et Artium Slovenica Classis IV: Historia Naturalis

General description

Evolute test, fusiform in lateral view. Biloculine chamber arrangement, aperture at the end of an elongated neck.