Nonionacea

Nonionacea; Temporal range: U Cret (Conia) - Recent
Scientific classification
Domain:	Eukaryota
(unranked):	SAR
(unranked):	Rhizaria
Phylum:	Retaria
Subphylum:	Foraminifera
Order:	Rotaliida
Superfamily:	Nonionacea; Loeblich & Tappan, 1982
Families
	See text

The Nonionacea is a superfamily of protists within the foraminiferal order Rotaliida that unites the families Nonionidae, Spirotectintidae, and Almaenidae; characterized by tests commonly of perforate hyaline oblique calcite, usually appearing optically granular.

References

Alfred R. Loeblich Jr and HelenTappan,1988. Forminiferal Genera and their Classification.

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