Sigmoihauerina Zheng 1979

Sigmoihauerina, en ocasiones denominada erróneamente Sigmohauerina, es un género de foraminífero bentónico de la subfamilia Sigmoilinitinae, de la familia Hauerinidae, de la superfamilia Milioloidea, del suborden Miliolina​ y del orden Miliolida.​ Su especie tipo es Hauerina bradyi. Su rango cronoestratigráfico abarca desde el Burdigaliense (Mioceno inferior) hasta la Actualidad.

Test broadly ovate, chambers one-half coil in length and sigmoiline in arrangement in the somewhat inflated biconvex early stage, later planispiral and strongly compressed, with somewhat shorter but much broader chambers, final whorl commonly has three chambers, chambers with floors; wall calcareous, imperforate, porcelaneous, surface may have fine longitudinal striae; aperture at the end of the final chamber, cribrate. L. Miocene (Burdigalian) to Holocene; cosmopolitan. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification)