Nonionacea
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| Nonionacea Temporal range: U Cret (Conia) - Recent | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Rhizaria |
| Superphylum: | Retaria |
| Phylum: | Foraminifera |
| Order: | Rotaliida |
| Superfamily: | Nonionacea Loeblich & Tappan, 1982 |
| Families | |
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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
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