Pachytestales

Taxonavigation

† Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Cycadophyta
Classis: †Pachytestopsida
Ordo: †
Fossil-familiae (3): †Pachytestaceae - †Polylophospermaceae - †Stephanospermaceae

Name

†Pachytestales Doweld, Prosyllabus Tracheoph. xiv (2001)

Synonyms

  • Heterotypic
  • Neuropteridales J.H.Schaffn. 1929
  • Medullosales Havlena 1961
  • Trigonocarpales auctt.

References

Primary references

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