Protosphagnum nervatum is the only known species of order Protosphagnales. It is only known from the Permian fossil record. In many ways, it resembles the living moss genus Sphagnum, though its leaf cells are not as strongly dimorphic as in Sphagnum.[2]

References

  1. ^ Nejburg, M. F. (1960). "Leafy mosses from the Permian deposits of Angarida". Trudy Geol. Inst. Leningr. 19: 1–104.
  2. ^ Oostendorp, Cora (1987). The Bryophytes of the Palaeozoic and the Mesozoic. Bryophytum Bibliotheca. Vol. 34. ISBN 3-443-62006-X.


Allikas: https://en.wikipedia.org/wiki/Protosphagnales
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