References
- Alfred R. Loeblich Jr and HelenTappan,1988. Forminiferal Genera and their Classification.
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| Nonionacea | |
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| Scientific classification | |
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| Superfamily: | Nonionacea |
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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.
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