Sigmella
Foraminferea - Miliolida - Hauerinidae
Parent taxon: Sigmoilinitinae according to A. R. Loeblich and H. Tappan 1988
Sister taxa: Anchihauerina, Longiapertina, Nummoloculina, Polysegmentina, Pseudoschlumbergerina, Sigmoilinella, Sigmoinella, Sigmopyrgo, Spirosigmoilina, Subedentostomina, Vertebrasigmoilina
Subtaxa: none
Ecology: stationary epifaunal deposit feeder