Order Polymorphinida Mikhalevich 1980 (foram)
Full reference: V.I. Mikhalevich. 1980. Sistematika i evolyutsiya foraminifera v svete novykh dannykh po ikh tsitologii i ul'trastrukture [Systematics and evolution of foraminifera in the light of new data on their cytology and ultrastructure]. Trudy Zoologicheskogo Instituta 94:42-61
Parent taxon: Nodosariata according to A. Missotti 2022
See also Mikhalevich 2013
Sister taxa: Hormosinina, Nodosariida, Robertinida, Vaginulinida
Subtaxa: Pleurostomelloidea Polymorphinidae Polymorphinina
Ecology: stationary semi-infaunal omnivore