Subfamily AMMOMARGINULININAE Podobina, 1978
Ammomarginulininae Podobina, 1978 (*2435), p. 65. Ammobaculitinae Alekseychik-Mitskevich, in Subbotina et al., 1981 (*3083), p. 28.
Early stage coiled, later uncoiling; wall simple. L. Carboniferous, L. Mississippian (Kinderkookian) to Holocene.