·Biota
·Eukaryota
·Chromista
·Foraminifera
·Nodosariata Mikhalevich, 1993 Emend. Rigaud Et Al., 2015
·Nodosariana
·Polymorphinida
·Polymorphinina
·Plectofrondiculariidae
·Plectofrondicularia
·Plectofrondicularia concava
VPlectofrondicularia concava var. proceraCurrent