Alternative spelling: Fusulinacea
Parent taxon: Fusulinina according to F. Kobayashi 2012
See also Kobayashi 2006, Kobayashi and Altiner 2008, Loeblich and Tappan 1961, Loeblich and Tappan 1984 and Vachard et al. 2010
Sister taxa: none
Subtaxa: Aljutovella Aljutovellidae Alpinoschwagerina Boultoniidae Citronites Eostaffellidae Eowaeringella Frumentella Fusulinidae Kansanella Klamathina Likharevites Nagatodarvasiella Nagatoella Neoschwagerinidae Neostaffella Occidentoschwagerina Ozawainellidae Paleofusulinidae Paraleeina Parastaffelloides Parawedekindellina Parazellia Plectofusulina Polydiexodinidae Profusulinellidae Pseudostaffellidae Putrella Schubertellidae Schwagerinidae Seminovella Staffellidae Thompsonella Tumulotriticites Ultradaixina Verbeekinidae Wedekindellina Wutuella
Ecology: stationary semi-infaunal omnivore