original description
Podobina, V. M. (1978). Систематика и филогения гаплофрагмиидей - Sistematika i filogeniya Gaplofragmiidey - Systematics and phylogeny of the Haplophragmiidae. Томск: изд-во Томского ун-та - Tomsk: Tomsk University Press. 1–91. [details]
From editor or global species database
Diagnosis Early stage coiled, later uncoiling; wall simple. L. Carboniferous, L. Mississippian (Kinderkookian) to Holocene. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]