Pleuromeia dubia

Pleuromeia dubia
Temporal range: Early Triassic
↓
Reconstructions of extinct lycopsids Pleuromeia dubia and Cylostrobus sydneyensis (Pleuromeiaceae and Tomiostrobus australis (Isoetaceae) all from the Early Triassic Gosford and Newport Formations of the Sydney Basin, NSW, Australia.[1]
Scientific classification
Kingdom: Plantae
Division: Lycopodiophyta
Class: Isoetopsida
Order: Isoetales
Family: †Pleuromeiaceae
Genus: †Pleuromeia
Species: †P. dubia
Binomial name
†Pleuromeia dubia
Retallack 1995

Pleuromeia dubia is a tall species for the genus, with distinctive elongate leaf scars, and known from the Early Triassic of Australia and South Africa. Like other species of Pleuromeia it was a survivor of the marked greenhouse spike at the end of the Early Triassic.[2]

leafy apex of Pleuromeia dubia from the Early Triassic Newport Formation near Newport, NSW

See also

References

  1. ↑ Retallack, Gregory J. (1997). "Earliest Triassic origin of Isoetes and quillwort evolutionary radiation". Journal of Paleontology. 7 (3): 500–521.
  2. ↑ Retallack, Gregory J. (2013). "Permian and Triassic greenhouse crises". Gondwana Research. 24: 90–103. doi:10.1016/j.gr.2012.03.003.


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