Subfamily Sigmoilinitinae Luczkowska (foram)
Tubothalamea - Miliolida - Hauerinidae
Parent taxon: Hauerinidae according to A. R. Loeblich and H. Tappan 1988
Sister taxa: Hauerininae, Miliolina, Miliolinellinae, Sigmoilitinae, Sigmoilopsinae, Siphonapertinae, Tubinellinae
Subtaxa: Anchihauerina Longiapertina Nummoloculina Polysegmentina Pseudoschlumbergerina Sigmella Sigmoilinella Sigmoinella Sigmopyrgo Spirosigmoilina Subedentostomina Vertebrasigmoilina
Ecology: stationary semi-infaunal omnivore
Distribution: