Sphagnopsida
| Sphagnopsida Temporal range: | |
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| A clump of Sphagnum, peat moss | |
Scientific classification  | |
| Kingdom: | Plantae |
| Division: | Bryophyta |
| Subdivision: | Sphagnophytina |
| Class: | Sphagnopsida Ochyra |
| Orders | |
Sphagnopsida is a class of mosses that includes a single subclass Sphagnidae, with two orders. It is estimated it originated about 465 million years ago, along with Takakia. The order Sphagnales contains four living genera: Ambuchanania, Eosphagnum, and Flatbergium, which counts four species in total, and Sphagnum which contains the rest of the species. The extinct Protosphagnales contains a single fossil species.
class Sphagnopsida
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| The phylogenetic position of the Sphagnopsida among the eight classes of mosses, based on inferences from DNA sequence data. |