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]

Protosphagnum
Temporal range: Permian
Scientific classification Edit this classification
Kingdom: Plantae
Division: Bryophyta
Class: Sphagnopsida
Order: Protosphagnales
Neuburg
Family: Protosphagnaceae
Ignatov
Genus: Protosphagnum
Nejburg
Species:
P. nervatum
Binomial name
Protosphagnum nervatum
Nejburg[1]

References

edit
  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.