Ammonia tepida
Ammonia tepida is a benthic foraminifer living in the sediment of brackish waters. It is very similar to Ammonia beccarii, but the latter lives on the surface of red algae. Once considered a globally widespread taxon, a recent genetic and morphological study has revealed that many of what were once considered members of A. tepida in fact represent other species of Ammonia, primarily Ammonia veneta, with true specimens of A. tepida only being found in Atlantic waters, off the coast of the Americas.
| Ammonia tepida Temporal range: M Cretaceous - recent | |
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| Live Ammonia veneta, the globally distributed species formerly misidentified as A. tepida. | |
| Scientific classification | |
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| Superfamily: | Rotalioidea |
| Family: | Rotaliidae |
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| Species: | A. tepida |
| Binomial name | |
| Ammonia tepida Cushman, 1926 | |
| Synonyms | |
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Ammonia beccarii var. tepida Cushman, 1926 | |
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